81197985

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{3259}}^1$

素因数の和:3429

約数の個数: 32

約数和(自身を含む): 142709760

約数和(自身を除く): 61511775

約数列:

[1, 3, 5, 11, 15, 33, 55, 151, 165, 453, 755, 1661, 2265, 3259, 4983, 8305, 9777, 16295, 24915, 35849, 48885, 107547, 179245, 492109, 537735, 1476327, 2460545, 5413199, 7381635, 16239597, 27065995, 81197985]

約数ペア:

[(1, 81197985), (3, 27065995), (5, 16239597), (11, 7381635), (15, 5413199), (33, 2460545), (55, 1476327), (151, 537735), (165, 492109), (453, 179245), (755, 107547), (1661, 48885), (2265, 35849), (3259, 24915), (4983, 16295), (8305, 9777)]