290400681

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{467}}^1$

素因数の和:713

約数の個数: 32

約数和(自身を含む): 418504320

約数和(自身を除く): 128103639

約数列:

[1, 3, 17, 51, 89, 137, 267, 411, 467, 1401, 1513, 2329, 4539, 6987, 7939, 12193, 23817, 36579, 41563, 63979, 124689, 191937, 207281, 621843, 706571, 1087643, 2119713, 3262929, 5694131, 17082393, 96800227, 290400681]

約数ペア:

[(1, 290400681), (3, 96800227), (17, 17082393), (51, 5694131), (89, 3262929), (137, 2119713), (267, 1087643), (411, 706571), (467, 621843), (1401, 207281), (1513, 191937), (2329, 124689), (4539, 63979), (6987, 41563), (7939, 36579), (12193, 23817)]