317647491

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{3331}}^1$

素因数の和:3599

約数の個数: 32

約数和(自身を含む): 511795200

約数和(自身を除く): 194147709

約数列:

[1, 3, 7, 19, 21, 57, 133, 239, 399, 717, 1673, 3331, 4541, 5019, 9993, 13623, 23317, 31787, 63289, 69951, 95361, 189867, 443023, 796109, 1329069, 2388327, 5572763, 15126071, 16718289, 45378213, 105882497, 317647491]

約数ペア:

[(1, 317647491), (3, 105882497), (7, 45378213), (19, 16718289), (21, 15126071), (57, 5572763), (133, 2388327), (239, 1329069), (399, 796109), (717, 443023), (1673, 189867), (3331, 95361), (4541, 69951), (5019, 63289), (9993, 31787), (13623, 23317)]