220193985

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{41}}^1\times {\mathrm{269}}^1$

素因数の和:351

約数の個数: 64

約数和(自身を含む): 398442240

約数和(自身を除く): 178248255

約数列:

[1, 3, 5, 11, 15, 33, 41, 55, 121, 123, 165, 205, 269, 363, 451, 605, 615, 807, 1331, 1345, 1353, 1815, 2255, 2959, 3993, 4035, 4961, 6655, 6765, 8877, 11029, 14795, 14883, 19965, 24805, 32549, 33087, 44385, 54571, 55145, 74415, 97647, 121319, 162745, 163713, 165435, 272855, 358039, 363957, 488235, 606595, 818565, 1074117, 1334509, 1790195, 1819785, 4003527, 5370585, 6672545, 14679599, 20017635, 44038797, 73397995, 220193985]

約数ペア:

[(1, 220193985), (3, 73397995), (5, 44038797), (11, 20017635), (15, 14679599), (33, 6672545), (41, 5370585), (55, 4003527), (121, 1819785), (123, 1790195), (165, 1334509), (205, 1074117), (269, 818565), (363, 606595), (451, 488235), (605, 363957), (615, 358039), (807, 272855), (1331, 165435), (1345, 163713), (1353, 162745), (1815, 121319), (2255, 97647), (2959, 74415), (3993, 55145), (4035, 54571), (4961, 44385), (6655, 33087), (6765, 32549), (8877, 24805), (11029, 19965), (14795, 14883)]