321151215

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{2753}}^1$

素因数の和:2880

約数の個数: 64

約数和(自身を含む): 647212032

約数和(自身を除く): 326060817

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 101, 105, 165, 231, 303, 385, 505, 707, 1111, 1155, 1515, 2121, 2753, 3333, 3535, 5555, 7777, 8259, 10605, 13765, 16665, 19271, 23331, 30283, 38885, 41295, 57813, 90849, 96355, 116655, 151415, 211981, 278053, 289065, 454245, 635943, 834159, 1059905, 1390265, 1946371, 3058583, 3179715, 4170795, 5839113, 9175749, 9731855, 15292915, 21410081, 29195565, 45878745, 64230243, 107050405, 321151215]

約数ペア:

[(1, 321151215), (3, 107050405), (5, 64230243), (7, 45878745), (11, 29195565), (15, 21410081), (21, 15292915), (33, 9731855), (35, 9175749), (55, 5839113), (77, 4170795), (101, 3179715), (105, 3058583), (165, 1946371), (231, 1390265), (303, 1059905), (385, 834159), (505, 635943), (707, 454245), (1111, 289065), (1155, 278053), (1515, 211981), (2121, 151415), (2753, 116655), (3333, 96355), (3535, 90849), (5555, 57813), (7777, 41295), (8259, 38885), (10605, 30283), (13765, 23331), (16665, 19271)]