81870195

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{4391}}^1$

素因数の和:4523

約数の個数: 32

約数和(自身を含む): 144198144

約数和(自身を除く): 62327949

約数列:

[1, 3, 5, 11, 15, 33, 55, 113, 165, 339, 565, 1243, 1695, 3729, 4391, 6215, 13173, 18645, 21955, 48301, 65865, 144903, 241505, 496183, 724515, 1488549, 2480915, 5458013, 7442745, 16374039, 27290065, 81870195]

約数ペア:

[(1, 81870195), (3, 27290065), (5, 16374039), (11, 7442745), (15, 5458013), (33, 2480915), (55, 1488549), (113, 724515), (165, 496183), (339, 241505), (565, 144903), (1243, 65865), (1695, 48301), (3729, 21955), (4391, 18645), (6215, 13173)]