15721167

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{269}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 27578880

約数和(自身を除く): 11857713

約数列:

[1, 3, 7, 11, 21, 23, 33, 69, 77, 121, 161, 231, 253, 269, 363, 483, 759, 807, 847, 1771, 1883, 2541, 2783, 2959, 5313, 5649, 6187, 8349, 8877, 18561, 19481, 20713, 32549, 43309, 58443, 62139, 68057, 97647, 129927, 204171, 227843, 476399, 683529, 748627, 1429197, 2245881, 5240389, 15721167]

約数ペア:

[(1, 15721167), (3, 5240389), (7, 2245881), (11, 1429197), (21, 748627), (23, 683529), (33, 476399), (69, 227843), (77, 204171), (121, 129927), (161, 97647), (231, 68057), (253, 62139), (269, 58443), (363, 43309), (483, 32549), (759, 20713), (807, 19481), (847, 18561), (1771, 8877), (1883, 8349), (2541, 6187), (2783, 5649), (2959, 5313)]