28217535

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{463}}^1$

素因数の和:727

約数の個数: 32

約数和(自身を含む): 48107520

約数和(自身を除く): 19889985

約数列:

[1, 3, 5, 15, 17, 51, 85, 239, 255, 463, 717, 1195, 1389, 2315, 3585, 4063, 6945, 7871, 12189, 20315, 23613, 39355, 60945, 110657, 118065, 331971, 553285, 1659855, 1881169, 5643507, 9405845, 28217535]

約数ペア:

[(1, 28217535), (3, 9405845), (5, 5643507), (15, 1881169), (17, 1659855), (51, 553285), (85, 331971), (239, 118065), (255, 110657), (463, 60945), (717, 39355), (1195, 23613), (1389, 20315), (2315, 12189), (3585, 7871), (4063, 6945)]