16807635

素因数分解:

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

素因数の和:245

約数の個数: 64

約数和(自身を含む): 32914560

約数和(自身を除く): 16106925

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 61, 65, 117, 135, 157, 183, 195, 305, 351, 471, 549, 585, 785, 793, 915, 1413, 1647, 1755, 2041, 2355, 2379, 2745, 3965, 4239, 6123, 7065, 7137, 8235, 9577, 10205, 11895, 18369, 21195, 21411, 28731, 30615, 35685, 47885, 55107, 86193, 91845, 107055, 124501, 143655, 258579, 275535, 373503, 430965, 622505, 1120509, 1292895, 1867515, 3361527, 5602545, 16807635]

約数ペア:

[(1, 16807635), (3, 5602545), (5, 3361527), (9, 1867515), (13, 1292895), (15, 1120509), (27, 622505), (39, 430965), (45, 373503), (61, 275535), (65, 258579), (117, 143655), (135, 124501), (157, 107055), (183, 91845), (195, 86193), (305, 55107), (351, 47885), (471, 35685), (549, 30615), (585, 28731), (785, 21411), (793, 21195), (915, 18369), (1413, 11895), (1647, 10205), (1755, 9577), (2041, 8235), (2355, 7137), (2379, 7065), (2745, 6123), (3965, 4239)]