67779915

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{2281}}^1$

素因数の和:2579

約数の個数: 32

約数和(自身を含む): 124432896

約数和(自身を除く): 56652981

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 283, 849, 1415, 1981, 2281, 4245, 5943, 6843, 9905, 11405, 15967, 29715, 34215, 47901, 79835, 239505, 645523, 1936569, 3227615, 4518661, 9682845, 13555983, 22593305, 67779915]

約数ペア:

[(1, 67779915), (3, 22593305), (5, 13555983), (7, 9682845), (15, 4518661), (21, 3227615), (35, 1936569), (105, 645523), (283, 239505), (849, 79835), (1415, 47901), (1981, 34215), (2281, 29715), (4245, 15967), (5943, 11405), (6843, 9905)]