27956505

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{421}}^1$

素因数の和:681

約数の個数: 32

約数和(自身を含む): 47399040

約数和(自身を除く): 19442535

約数列:

[1, 3, 5, 15, 19, 57, 95, 233, 285, 421, 699, 1165, 1263, 2105, 3495, 4427, 6315, 7999, 13281, 22135, 23997, 39995, 66405, 98093, 119985, 294279, 490465, 1471395, 1863767, 5591301, 9318835, 27956505]

約数ペア:

[(1, 27956505), (3, 9318835), (5, 5591301), (15, 1863767), (19, 1471395), (57, 490465), (95, 294279), (233, 119985), (285, 98093), (421, 66405), (699, 39995), (1165, 23997), (1263, 22135), (2105, 13281), (3495, 7999), (4427, 6315)]