280804839

素因数分解:

$3^1\times 7^3\times {\mathrm{67}}^1\times {\mathrm{4073}}^1$

素因数の和:4164

約数の個数: 32

約数和(自身を含む): 443251200

約数和(自身を除く): 162446361

約数列:

[1, 3, 7, 21, 49, 67, 147, 201, 343, 469, 1029, 1407, 3283, 4073, 9849, 12219, 22981, 28511, 68943, 85533, 199577, 272891, 598731, 818673, 1397039, 1910237, 4191117, 5730711, 13371659, 40114977, 93601613, 280804839]

約数ペア:

[(1, 280804839), (3, 93601613), (7, 40114977), (21, 13371659), (49, 5730711), (67, 4191117), (147, 1910237), (201, 1397039), (343, 818673), (469, 598731), (1029, 272891), (1407, 199577), (3283, 85533), (4073, 68943), (9849, 28511), (12219, 22981)]