31440654

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{829}}^1$

素因数の和:894

約数の個数: 72

約数和(自身を含む): 81183960

約数和(自身を除く): 49743306

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 43, 49, 63, 86, 98, 126, 129, 147, 258, 294, 301, 387, 441, 602, 774, 829, 882, 903, 1658, 1806, 2107, 2487, 2709, 4214, 4974, 5418, 5803, 6321, 7461, 11606, 12642, 14922, 17409, 18963, 34818, 35647, 37926, 40621, 52227, 71294, 81242, 104454, 106941, 121863, 213882, 243726, 249529, 320823, 365589, 499058, 641646, 731178, 748587, 1497174, 1746703, 2245761, 3493406, 4491522, 5240109, 10480218, 15720327, 31440654]

約数ペア:

[(1, 31440654), (2, 15720327), (3, 10480218), (6, 5240109), (7, 4491522), (9, 3493406), (14, 2245761), (18, 1746703), (21, 1497174), (42, 748587), (43, 731178), (49, 641646), (63, 499058), (86, 365589), (98, 320823), (126, 249529), (129, 243726), (147, 213882), (258, 121863), (294, 106941), (301, 104454), (387, 81242), (441, 71294), (602, 52227), (774, 40621), (829, 37926), (882, 35647), (903, 34818), (1658, 18963), (1806, 17409), (2107, 14922), (2487, 12642), (2709, 11606), (4214, 7461), (4974, 6321), (5418, 5803)]