7215345

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:159

約数の個数: 64

約数和(自身を含む): 14112000

約数和(自身を除く): 6896655

約数列:

[1, 3, 5, 9, 15, 19, 27, 29, 45, 57, 87, 95, 97, 135, 145, 171, 261, 285, 291, 435, 485, 513, 551, 783, 855, 873, 1305, 1455, 1653, 1843, 2565, 2619, 2755, 2813, 3915, 4365, 4959, 5529, 8265, 8439, 9215, 13095, 14065, 14877, 16587, 24795, 25317, 27645, 42195, 49761, 53447, 74385, 75951, 82935, 126585, 160341, 248805, 267235, 379755, 481023, 801705, 1443069, 2405115, 7215345]

約数ペア:

[(1, 7215345), (3, 2405115), (5, 1443069), (9, 801705), (15, 481023), (19, 379755), (27, 267235), (29, 248805), (45, 160341), (57, 126585), (87, 82935), (95, 75951), (97, 74385), (135, 53447), (145, 49761), (171, 42195), (261, 27645), (285, 25317), (291, 24795), (435, 16587), (485, 14877), (513, 14065), (551, 13095), (783, 9215), (855, 8439), (873, 8265), (1305, 5529), (1455, 4959), (1653, 4365), (1843, 3915), (2565, 2813), (2619, 2755)]