40138275

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31481}}^1$

素因数の和:31511

約数の個数: 24

約数和(自身を含む): 70267824

約数和(自身を除く): 30129549

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 31481, 94443, 157405, 472215, 535177, 787025, 1605531, 2361075, 2675885, 8027655, 13379425, 40138275]

約数ペア:

[(1, 40138275), (3, 13379425), (5, 8027655), (15, 2675885), (17, 2361075), (25, 1605531), (51, 787025), (75, 535177), (85, 472215), (255, 157405), (425, 94443), (1275, 31481)]