128515155

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{10723}}^1$

素因数の和:10795

約数の個数: 32

約数和(自身を含む): 222372864

約数和(自身を除く): 93857709

約数列:

[1, 3, 5, 15, 17, 47, 51, 85, 141, 235, 255, 705, 799, 2397, 3995, 10723, 11985, 32169, 53615, 160845, 182291, 503981, 546873, 911455, 1511943, 2519905, 2734365, 7559715, 8567677, 25703031, 42838385, 128515155]

約数ペア:

[(1, 128515155), (3, 42838385), (5, 25703031), (15, 8567677), (17, 7559715), (47, 2734365), (51, 2519905), (85, 1511943), (141, 911455), (235, 546873), (255, 503981), (705, 182291), (799, 160845), (2397, 53615), (3995, 32169), (10723, 11985)]