20231505

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:371

約数の個数: 64

約数和(自身を含む): 41779200

約数和(自身を除く): 21547695

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 79, 105, 135, 189, 237, 271, 315, 395, 553, 711, 813, 945, 1185, 1355, 1659, 1897, 2133, 2439, 2765, 3555, 4065, 4977, 5691, 7317, 8295, 9485, 10665, 12195, 14931, 17073, 21409, 24885, 28455, 36585, 51219, 64227, 74655, 85365, 107045, 149863, 192681, 256095, 321135, 449589, 578043, 749315, 963405, 1348767, 2247945, 2890215, 4046301, 6743835, 20231505]

約数ペア:

[(1, 20231505), (3, 6743835), (5, 4046301), (7, 2890215), (9, 2247945), (15, 1348767), (21, 963405), (27, 749315), (35, 578043), (45, 449589), (63, 321135), (79, 256095), (105, 192681), (135, 149863), (189, 107045), (237, 85365), (271, 74655), (315, 64227), (395, 51219), (553, 36585), (711, 28455), (813, 24885), (945, 21409), (1185, 17073), (1355, 14931), (1659, 12195), (1897, 10665), (2133, 9485), (2439, 8295), (2765, 7317), (3555, 5691), (4065, 4977)]