28630245

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 56033280

約数和(自身を除く): 27403035

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 113, 127, 133, 285, 339, 381, 399, 565, 635, 665, 791, 889, 1695, 1905, 1995, 2147, 2373, 2413, 2667, 3955, 4445, 6441, 7239, 10735, 11865, 12065, 13335, 14351, 15029, 16891, 32205, 36195, 43053, 45087, 50673, 71755, 75145, 84455, 100457, 215265, 225435, 253365, 272669, 301371, 502285, 818007, 1363345, 1506855, 1908683, 4090035, 5726049, 9543415, 28630245]

約数ペア:

[(1, 28630245), (3, 9543415), (5, 5726049), (7, 4090035), (15, 1908683), (19, 1506855), (21, 1363345), (35, 818007), (57, 502285), (95, 301371), (105, 272669), (113, 253365), (127, 225435), (133, 215265), (285, 100457), (339, 84455), (381, 75145), (399, 71755), (565, 50673), (635, 45087), (665, 43053), (791, 36195), (889, 32205), (1695, 16891), (1905, 15029), (1995, 14351), (2147, 13335), (2373, 12065), (2413, 11865), (2667, 10735), (3955, 7239), (4445, 6441)]