521036685

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:276

約数の個数: 128

約数和(自身を含む): 1053265920

約数和(自身を除く): 532229235

約数列:

[1, 3, 5, 9, 13, 15, 27, 31, 39, 45, 61, 65, 93, 117, 135, 155, 157, 183, 195, 279, 305, 351, 403, 465, 471, 549, 585, 785, 793, 837, 915, 1209, 1395, 1413, 1647, 1755, 1891, 2015, 2041, 2355, 2379, 2745, 3627, 3965, 4185, 4239, 4867, 5673, 6045, 6123, 7065, 7137, 8235, 9455, 9577, 10205, 10881, 11895, 14601, 17019, 18135, 18369, 21195, 21411, 24335, 24583, 28365, 28731, 30615, 35685, 43803, 47885, 51057, 54405, 55107, 63271, 73005, 73749, 85095, 86193, 91845, 107055, 122915, 124501, 131409, 143655, 189813, 219015, 221247, 255285, 258579, 275535, 296887, 316355, 368745, 373503, 430965, 569439, 622505, 657045, 663741, 890661, 949065, 1106235, 1120509, 1292895, 1484435, 1708317, 1867515, 2671983, 2847195, 3318705, 3361527, 3859531, 4453305, 5602545, 8015949, 8541585, 11578593, 13359915, 16807635, 19297655, 34735779, 40079745, 57892965, 104207337, 173678895, 521036685]

約数ペア:

[(1, 521036685), (3, 173678895), (5, 104207337), (9, 57892965), (13, 40079745), (15, 34735779), (27, 19297655), (31, 16807635), (39, 13359915), (45, 11578593), (61, 8541585), (65, 8015949), (93, 5602545), (117, 4453305), (135, 3859531), (155, 3361527), (157, 3318705), (183, 2847195), (195, 2671983), (279, 1867515), (305, 1708317), (351, 1484435), (403, 1292895), (465, 1120509), (471, 1106235), (549, 949065), (585, 890661), (785, 663741), (793, 657045), (837, 622505), (915, 569439), (1209, 430965), (1395, 373503), (1413, 368745), (1647, 316355), (1755, 296887), (1891, 275535), (2015, 258579), (2041, 255285), (2355, 221247), (2379, 219015), (2745, 189813), (3627, 143655), (3965, 131409), (4185, 124501), (4239, 122915), (4867, 107055), (5673, 91845), (6045, 86193), (6123, 85095), (7065, 73749), (7137, 73005), (8235, 63271), (9455, 55107), (9577, 54405), (10205, 51057), (10881, 47885), (11895, 43803), (14601, 35685), (17019, 30615), (18135, 28731), (18369, 28365), (21195, 24583), (21411, 24335)]