28789725

素因数分解:

$3^1\times 5^2\times {\mathrm{269}}^1\times {\mathrm{1427}}^1$

素因数の和:1709

約数の個数: 24

約数和(自身を含む): 47809440

約数和(自身を除く): 19019715

約数列:

[1, 3, 5, 15, 25, 75, 269, 807, 1345, 1427, 4035, 4281, 6725, 7135, 20175, 21405, 35675, 107025, 383863, 1151589, 1919315, 5757945, 9596575, 28789725]

約数ペア:

[(1, 28789725), (3, 9596575), (5, 5757945), (15, 1919315), (25, 1151589), (75, 383863), (269, 107025), (807, 35675), (1345, 21405), (1427, 20175), (4035, 7135), (4281, 6725)]