77863215

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{647}}^1$

素因数の和:839

約数の個数: 32

約数和(自身を含む): 127650816

約数和(自身を除く): 49787601

約数列:

[1, 3, 5, 15, 71, 113, 213, 339, 355, 565, 647, 1065, 1695, 1941, 3235, 8023, 9705, 24069, 40115, 45937, 73111, 120345, 137811, 219333, 229685, 365555, 689055, 1096665, 5190881, 15572643, 25954405, 77863215]

約数ペア:

[(1, 77863215), (3, 25954405), (5, 15572643), (15, 5190881), (71, 1096665), (113, 689055), (213, 365555), (339, 229685), (355, 219333), (565, 137811), (647, 120345), (1065, 73111), (1695, 45937), (1941, 40115), (3235, 24069), (8023, 9705)]