81333885

素因数分解:

$3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1\times {\mathrm{241}}^1$

素因数の和:549

約数の個数: 32

約数和(自身を含む): 132422400

約数和(自身を除く): 51088515

約数列:

[1, 3, 5, 15, 149, 151, 241, 447, 453, 723, 745, 755, 1205, 2235, 2265, 3615, 22499, 35909, 36391, 67497, 107727, 109173, 112495, 179545, 181955, 337485, 538635, 545865, 5422259, 16266777, 27111295, 81333885]

約数ペア:

[(1, 81333885), (3, 27111295), (5, 16266777), (15, 5422259), (149, 545865), (151, 538635), (241, 337485), (447, 181955), (453, 179545), (723, 112495), (745, 109173), (755, 107727), (1205, 67497), (2235, 36391), (2265, 35909), (3615, 22499)]