7212915

素因数分解:

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

素因数の和:161

約数の個数: 48

約数和(自身を含む): 13537440

約数和(自身を除く): 6324525

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 101, 115, 135, 207, 303, 345, 505, 529, 621, 909, 1035, 1515, 1587, 2323, 2645, 2727, 3105, 4545, 4761, 6969, 7935, 11615, 13635, 14283, 20907, 23805, 34845, 53429, 62721, 71415, 104535, 160287, 267145, 313605, 480861, 801435, 1442583, 2404305, 7212915]

約数ペア:

[(1, 7212915), (3, 2404305), (5, 1442583), (9, 801435), (15, 480861), (23, 313605), (27, 267145), (45, 160287), (69, 104535), (101, 71415), (115, 62721), (135, 53429), (207, 34845), (303, 23805), (345, 20907), (505, 14283), (529, 13635), (621, 11615), (909, 7935), (1035, 6969), (1515, 4761), (1587, 4545), (2323, 3105), (2645, 2727)]