284375

素因数分解:

$5^5\times 7^1\times {\mathrm{13}}^1$

素因数の和:45

約数の個数: 24

約数和(自身を含む): 437472

約数和(自身を除く): 153097

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 125, 175, 325, 455, 625, 875, 1625, 2275, 3125, 4375, 8125, 11375, 21875, 40625, 56875, 284375]

約数ペア:

[(1, 284375), (5, 56875), (7, 40625), (13, 21875), (25, 11375), (35, 8125), (65, 4375), (91, 3125), (125, 2275), (175, 1625), (325, 875), (455, 625)]