25738587

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:261

約数の個数: 64

約数和(自身を含む): 47185920

約数和(自身を除く): 21447333

約数列:

[1, 3, 7, 9, 21, 23, 27, 31, 63, 69, 93, 161, 189, 191, 207, 217, 279, 483, 573, 621, 651, 713, 837, 1337, 1449, 1719, 1953, 2139, 4011, 4347, 4393, 4991, 5157, 5859, 5921, 6417, 12033, 13179, 14973, 17763, 19251, 30751, 36099, 39537, 41447, 44919, 53289, 92253, 118611, 124341, 134757, 136183, 159867, 276759, 373023, 408549, 830277, 953281, 1119069, 1225647, 2859843, 3676941, 8579529, 25738587]

約数ペア:

[(1, 25738587), (3, 8579529), (7, 3676941), (9, 2859843), (21, 1225647), (23, 1119069), (27, 953281), (31, 830277), (63, 408549), (69, 373023), (93, 276759), (161, 159867), (189, 136183), (191, 134757), (207, 124341), (217, 118611), (279, 92253), (483, 53289), (573, 44919), (621, 41447), (651, 39537), (713, 36099), (837, 30751), (1337, 19251), (1449, 17763), (1719, 14973), (1953, 13179), (2139, 12033), (4011, 6417), (4347, 5921), (4393, 5859), (4991, 5157)]