15226731

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:153

約数の個数: 48

約数和(自身を含む): 25297920

約数和(自身を除く): 10071189

約数列:

[1, 3, 9, 13, 27, 39, 47, 71, 117, 141, 169, 213, 351, 423, 507, 611, 639, 923, 1269, 1521, 1833, 1917, 2769, 3337, 4563, 5499, 7943, 8307, 10011, 11999, 16497, 23829, 24921, 30033, 35997, 43381, 71487, 90099, 107991, 130143, 214461, 323973, 390429, 563953, 1171287, 1691859, 5075577, 15226731]

約数ペア:

[(1, 15226731), (3, 5075577), (9, 1691859), (13, 1171287), (27, 563953), (39, 390429), (47, 323973), (71, 214461), (117, 130143), (141, 107991), (169, 90099), (213, 71487), (351, 43381), (423, 35997), (507, 30033), (611, 24921), (639, 23829), (923, 16497), (1269, 11999), (1521, 10011), (1833, 8307), (1917, 7943), (2769, 5499), (3337, 4563)]