490455

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{173}}^1$

素因数の和:197

約数の個数: 40

約数和(自身を含む): 1010592

約数和(自身を除く): 520137

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 173, 189, 315, 405, 519, 567, 865, 945, 1211, 1557, 2595, 2835, 3633, 4671, 6055, 7785, 10899, 14013, 18165, 23355, 32697, 54495, 70065, 98091, 163485, 490455]

約数ペア:

[(1, 490455), (3, 163485), (5, 98091), (7, 70065), (9, 54495), (15, 32697), (21, 23355), (27, 18165), (35, 14013), (45, 10899), (63, 7785), (81, 6055), (105, 4671), (135, 3633), (173, 2835), (189, 2595), (315, 1557), (405, 1211), (519, 945), (567, 865)]