81529308

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{107843}}^1$

素因数の和:107863

約数の個数: 48

約数和(自身を含む): 241570560

約数和(自身を除く): 160041252

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 107843, 215686, 323529, 431372, 647058, 754901, 970587, 1294116, 1509802, 1941174, 2264703, 2911761, 3019604, 3882348, 4529406, 5823522, 6794109, 9058812, 11647044, 13588218, 20382327, 27176436, 40764654, 81529308]

約数ペア:

[(1, 81529308), (2, 40764654), (3, 27176436), (4, 20382327), (6, 13588218), (7, 11647044), (9, 9058812), (12, 6794109), (14, 5823522), (18, 4529406), (21, 3882348), (27, 3019604), (28, 2911761), (36, 2264703), (42, 1941174), (54, 1509802), (63, 1294116), (84, 970587), (108, 754901), (126, 647058), (189, 431372), (252, 323529), (378, 215686), (756, 107843)]