81619902

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{3833}}^1$

素因数の和:3874

約数の個数: 72

約数和(自身を含む): 218906064

約数和(自身を除く): 137286162

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 169, 182, 234, 273, 338, 507, 546, 819, 1014, 1183, 1521, 1638, 2366, 3042, 3549, 3833, 7098, 7666, 10647, 11499, 21294, 22998, 26831, 34497, 49829, 53662, 68994, 80493, 99658, 149487, 160986, 241479, 298974, 348803, 448461, 482958, 647777, 697606, 896922, 1046409, 1295554, 1943331, 2092818, 3139227, 3886662, 4534439, 5829993, 6278454, 9068878, 11659986, 13603317, 27206634, 40809951, 81619902]

約数ペア:

[(1, 81619902), (2, 40809951), (3, 27206634), (6, 13603317), (7, 11659986), (9, 9068878), (13, 6278454), (14, 5829993), (18, 4534439), (21, 3886662), (26, 3139227), (39, 2092818), (42, 1943331), (63, 1295554), (78, 1046409), (91, 896922), (117, 697606), (126, 647777), (169, 482958), (182, 448461), (234, 348803), (273, 298974), (338, 241479), (507, 160986), (546, 149487), (819, 99658), (1014, 80493), (1183, 68994), (1521, 53662), (1638, 49829), (2366, 34497), (3042, 26831), (3549, 22998), (3833, 21294), (7098, 11499), (7666, 10647)]