212101515

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{2029}}^1$

素因数の和:2164

約数の個数: 48

約数和(自身を含む): 387616320

約数和(自身を除く): 175514805

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 101, 115, 207, 303, 345, 505, 909, 1035, 1515, 2029, 2323, 4545, 6087, 6969, 10145, 11615, 18261, 20907, 30435, 34845, 46667, 91305, 104535, 140001, 204929, 233335, 420003, 614787, 700005, 1024645, 1844361, 2100015, 3073935, 4713367, 9221805, 14140101, 23566835, 42420303, 70700505, 212101515]

約数ペア:

[(1, 212101515), (3, 70700505), (5, 42420303), (9, 23566835), (15, 14140101), (23, 9221805), (45, 4713367), (69, 3073935), (101, 2100015), (115, 1844361), (207, 1024645), (303, 700005), (345, 614787), (505, 420003), (909, 233335), (1035, 204929), (1515, 140001), (2029, 104535), (2323, 91305), (4545, 46667), (6087, 34845), (6969, 30435), (10145, 20907), (11615, 18261)]