42953547

素因数分解:

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

素因数の和:82

約数の個数: 64

約数和(自身を含む): 76160000

約数和(自身を除く): 33206453

約数列:

[1, 3, 7, 13, 19, 21, 39, 49, 57, 91, 133, 147, 169, 247, 273, 343, 399, 507, 637, 741, 931, 1029, 1183, 1729, 1911, 2197, 2793, 3211, 3549, 4459, 5187, 6517, 6591, 8281, 9633, 12103, 13377, 15379, 19551, 22477, 24843, 36309, 41743, 46137, 57967, 67431, 84721, 107653, 125229, 157339, 173901, 254163, 292201, 322959, 472017, 753571, 876603, 1101373, 2045407, 2260713, 3304119, 6136221, 14317849, 42953547]

約数ペア:

[(1, 42953547), (3, 14317849), (7, 6136221), (13, 3304119), (19, 2260713), (21, 2045407), (39, 1101373), (49, 876603), (57, 753571), (91, 472017), (133, 322959), (147, 292201), (169, 254163), (247, 173901), (273, 157339), (343, 125229), (399, 107653), (507, 84721), (637, 67431), (741, 57967), (931, 46137), (1029, 41743), (1183, 36309), (1729, 24843), (1911, 22477), (2197, 19551), (2793, 15379), (3211, 13377), (3549, 12103), (4459, 9633), (5187, 8281), (6517, 6591)]