78156735

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{9887}}^1$

素因数の和:9943

約数の個数: 32

約数和(自身を含む): 136691712

約数和(自身を除く): 58534977

約数列:

[1, 3, 5, 15, 17, 31, 51, 85, 93, 155, 255, 465, 527, 1581, 2635, 7905, 9887, 29661, 49435, 148305, 168079, 306497, 504237, 840395, 919491, 1532485, 2521185, 4597455, 5210449, 15631347, 26052245, 78156735]

約数ペア:

[(1, 78156735), (3, 26052245), (5, 15631347), (15, 5210449), (17, 4597455), (31, 2521185), (51, 1532485), (85, 919491), (93, 840395), (155, 504237), (255, 306497), (465, 168079), (527, 148305), (1581, 49435), (2635, 29661), (7905, 9887)]