28374375

素因数分解:

$3^1\times 5^4\times {\mathrm{37}}^1\times {\mathrm{409}}^1$

素因数の和:469

約数の個数: 40

約数和(自身を含む): 48671920

約数和(自身を除く): 20297545

約数列:

[1, 3, 5, 15, 25, 37, 75, 111, 125, 185, 375, 409, 555, 625, 925, 1227, 1875, 2045, 2775, 4625, 6135, 10225, 13875, 15133, 23125, 30675, 45399, 51125, 69375, 75665, 153375, 226995, 255625, 378325, 766875, 1134975, 1891625, 5674875, 9458125, 28374375]

約数ペア:

[(1, 28374375), (3, 9458125), (5, 5674875), (15, 1891625), (25, 1134975), (37, 766875), (75, 378325), (111, 255625), (125, 226995), (185, 153375), (375, 75665), (409, 69375), (555, 51125), (625, 45399), (925, 30675), (1227, 23125), (1875, 15133), (2045, 13875), (2775, 10225), (4625, 6135)]