128864403

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{457}}^1$

素因数の和:596

約数の個数: 48

約数和(自身を含む): 210057120

約数和(自身を除く): 81192717

約数列:

[1, 3, 9, 17, 19, 51, 57, 97, 153, 171, 291, 323, 457, 873, 969, 1371, 1649, 1843, 2907, 4113, 4947, 5529, 7769, 8683, 14841, 16587, 23307, 26049, 31331, 44329, 69921, 78147, 93993, 132987, 147611, 281979, 398961, 442833, 753593, 842251, 1328499, 2260779, 2526753, 6782337, 7580259, 14318267, 42954801, 128864403]

約数ペア:

[(1, 128864403), (3, 42954801), (9, 14318267), (17, 7580259), (19, 6782337), (51, 2526753), (57, 2260779), (97, 1328499), (153, 842251), (171, 753593), (291, 442833), (323, 398961), (457, 281979), (873, 147611), (969, 132987), (1371, 93993), (1649, 78147), (1843, 69921), (2907, 44329), (4113, 31331), (4947, 26049), (5529, 23307), (7769, 16587), (8683, 14841)]