387845997

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{401}}^1$

素因数の和:554

約数の個数: 64

約数和(自身を含む): 666869760

約数和(自身を除く): 279023763

約数列:

[1, 3, 7, 11, 21, 33, 53, 77, 79, 159, 231, 237, 371, 401, 553, 583, 869, 1113, 1203, 1659, 1749, 2607, 2807, 4081, 4187, 4411, 6083, 8421, 12243, 12561, 13233, 18249, 21253, 29309, 30877, 31679, 46057, 63759, 87927, 92631, 95037, 138171, 148771, 221753, 233783, 322399, 348469, 446313, 665259, 701349, 967197, 1045407, 1636481, 1678987, 2439283, 4909443, 5036961, 7317849, 11752909, 18468857, 35258727, 55406571, 129281999, 387845997]

約数ペア:

[(1, 387845997), (3, 129281999), (7, 55406571), (11, 35258727), (21, 18468857), (33, 11752909), (53, 7317849), (77, 5036961), (79, 4909443), (159, 2439283), (231, 1678987), (237, 1636481), (371, 1045407), (401, 967197), (553, 701349), (583, 665259), (869, 446313), (1113, 348469), (1203, 322399), (1659, 233783), (1749, 221753), (2607, 148771), (2807, 138171), (4081, 95037), (4187, 92631), (4411, 87927), (6083, 63759), (8421, 46057), (12243, 31679), (12561, 30877), (13233, 29309), (18249, 21253)]