18399375

素因数分解:

$3^2\times 5^4\times {\mathrm{3271}}^1$

素因数の和:3297

約数の個数: 30

約数和(自身を含む): 33220616

約数和(自身を除く): 14821241

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 625, 1125, 1875, 3271, 5625, 9813, 16355, 29439, 49065, 81775, 147195, 245325, 408875, 735975, 1226625, 2044375, 3679875, 6133125, 18399375]

約数ペア:

[(1, 18399375), (3, 6133125), (5, 3679875), (9, 2044375), (15, 1226625), (25, 735975), (45, 408875), (75, 245325), (125, 147195), (225, 81775), (375, 49065), (625, 29439), (1125, 16355), (1875, 9813), (3271, 5625)]