25994451

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 43666560

約数和(自身を除く): 17672109

約数列:

[1, 3, 7, 19, 21, 41, 49, 57, 123, 133, 147, 227, 287, 399, 681, 779, 861, 931, 1589, 2009, 2337, 2793, 4313, 4767, 5453, 6027, 9307, 11123, 12939, 16359, 27921, 30191, 33369, 38171, 65149, 90573, 114513, 176833, 195447, 211337, 456043, 530499, 634011, 1237831, 1368129, 3713493, 8664817, 25994451]

約数ペア:

[(1, 25994451), (3, 8664817), (7, 3713493), (19, 1368129), (21, 1237831), (41, 634011), (49, 530499), (57, 456043), (123, 211337), (133, 195447), (147, 176833), (227, 114513), (287, 90573), (399, 65149), (681, 38171), (779, 33369), (861, 30191), (931, 27921), (1589, 16359), (2009, 12939), (2337, 11123), (2793, 9307), (4313, 6027), (4767, 5453)]