280804875

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{57601}}^1$

素因数の和:57632

約数の個数: 32

約数和(自身を含む): 503211072

約数和(自身を除く): 222406197

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 195, 325, 375, 975, 1625, 4875, 57601, 172803, 288005, 748813, 864015, 1440025, 2246439, 3744065, 4320075, 7200125, 11232195, 18720325, 21600375, 56160975, 93601625, 280804875]

約数ペア:

[(1, 280804875), (3, 93601625), (5, 56160975), (13, 21600375), (15, 18720325), (25, 11232195), (39, 7200125), (65, 4320075), (75, 3744065), (125, 2246439), (195, 1440025), (325, 864015), (375, 748813), (975, 288005), (1625, 172803), (4875, 57601)]