1281249345

素因数分解:

$3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1\times {\mathrm{4129}}^1$

素因数の和:4425

約数の個数: 32

約数和(自身を含む): 2079141120

約数和(自身を除く): 797891775

約数列:

[1, 3, 5, 15, 137, 151, 411, 453, 685, 755, 2055, 2265, 4129, 12387, 20645, 20687, 61935, 62061, 103435, 310305, 565673, 623479, 1697019, 1870437, 2828365, 3117395, 8485095, 9352185, 85416623, 256249869, 427083115, 1281249345]

約数ペア:

[(1, 1281249345), (3, 427083115), (5, 256249869), (15, 85416623), (137, 9352185), (151, 8485095), (411, 3117395), (453, 2828365), (685, 1870437), (755, 1697019), (2055, 623479), (2265, 565673), (4129, 310305), (12387, 103435), (20645, 62061), (20687, 61935)]