8221395

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1$

素因数の和:364

約数の個数: 64

約数和(自身を含む): 17095680

約数和(自身を除く): 8874285

約数列:

[1, 3, 5, 7, 13, 15, 19, 21, 35, 39, 57, 65, 91, 95, 105, 133, 195, 247, 273, 285, 317, 399, 455, 665, 741, 951, 1235, 1365, 1585, 1729, 1995, 2219, 3705, 4121, 4755, 5187, 6023, 6657, 8645, 11095, 12363, 18069, 20605, 25935, 28847, 30115, 33285, 42161, 61815, 78299, 86541, 90345, 126483, 144235, 210805, 234897, 391495, 432705, 548093, 632415, 1174485, 1644279, 2740465, 8221395]

約数ペア:

[(1, 8221395), (3, 2740465), (5, 1644279), (7, 1174485), (13, 632415), (15, 548093), (19, 432705), (21, 391495), (35, 234897), (39, 210805), (57, 144235), (65, 126483), (91, 90345), (95, 86541), (105, 78299), (133, 61815), (195, 42161), (247, 33285), (273, 30115), (285, 28847), (317, 25935), (399, 20605), (455, 18069), (665, 12363), (741, 11095), (951, 8645), (1235, 6657), (1365, 6023), (1585, 5187), (1729, 4755), (1995, 4121), (2219, 3705)]