28749675

素因数分解:

$3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{5399}}^1$

素因数の和:5483

約数の個数: 24

約数和(自身を含む): 48211200

約数和(自身を除く): 19461525

約数列:

[1, 3, 5, 15, 25, 71, 75, 213, 355, 1065, 1775, 5325, 5399, 16197, 26995, 80985, 134975, 383329, 404925, 1149987, 1916645, 5749935, 9583225, 28749675]

約数ペア:

[(1, 28749675), (3, 9583225), (5, 5749935), (15, 1916645), (25, 1149987), (71, 404925), (75, 383329), (213, 134975), (355, 80985), (1065, 26995), (1775, 16197), (5325, 5399)]