201553785

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2833}}^1$

素因数の和:2895

約数の個数: 64

約数和(自身を含む): 391772160

約数和(自身を除く): 190218375

約数列:

[1, 3, 5, 9, 15, 17, 27, 31, 45, 51, 85, 93, 135, 153, 155, 255, 279, 459, 465, 527, 765, 837, 1395, 1581, 2295, 2635, 2833, 4185, 4743, 7905, 8499, 14165, 14229, 23715, 25497, 42495, 48161, 71145, 76491, 87823, 127485, 144483, 240805, 263469, 382455, 433449, 439115, 722415, 790407, 1300347, 1317345, 1492991, 2167245, 2371221, 3952035, 4478973, 6501735, 7464955, 11856105, 13436919, 22394865, 40310757, 67184595, 201553785]

約数ペア:

[(1, 201553785), (3, 67184595), (5, 40310757), (9, 22394865), (15, 13436919), (17, 11856105), (27, 7464955), (31, 6501735), (45, 4478973), (51, 3952035), (85, 2371221), (93, 2167245), (135, 1492991), (153, 1317345), (155, 1300347), (255, 790407), (279, 722415), (459, 439115), (465, 433449), (527, 382455), (765, 263469), (837, 240805), (1395, 144483), (1581, 127485), (2295, 87823), (2635, 76491), (2833, 71145), (4185, 48161), (4743, 42495), (7905, 25497), (8499, 23715), (14165, 14229)]