72404955

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4507}}^1$

素因数の和:4545

約数の個数: 64

約数和(自身を含む): 155796480

約数和(自身を除く): 83391525

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 27, 35, 45, 51, 63, 85, 105, 119, 135, 153, 189, 255, 315, 357, 459, 595, 765, 945, 1071, 1785, 2295, 3213, 4507, 5355, 13521, 16065, 22535, 31549, 40563, 67605, 76619, 94647, 121689, 157745, 202815, 229857, 283941, 383095, 473235, 536333, 608445, 689571, 851823, 1149285, 1419705, 1608999, 2068713, 2681665, 3447855, 4259115, 4826997, 8044995, 10343565, 14480991, 24134985, 72404955]

約数ペア:

[(1, 72404955), (3, 24134985), (5, 14480991), (7, 10343565), (9, 8044995), (15, 4826997), (17, 4259115), (21, 3447855), (27, 2681665), (35, 2068713), (45, 1608999), (51, 1419705), (63, 1149285), (85, 851823), (105, 689571), (119, 608445), (135, 536333), (153, 473235), (189, 383095), (255, 283941), (315, 229857), (357, 202815), (459, 157745), (595, 121689), (765, 94647), (945, 76619), (1071, 67605), (1785, 40563), (2295, 31549), (3213, 22535), (4507, 16065), (5355, 13521)]