81559605

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{4079}}^1$

素因数の和:4161

約数の個数: 32

約数和(自身を含む): 137871360

約数和(自身を除く): 56311755

約数列:

[1, 3, 5, 15, 31, 43, 93, 129, 155, 215, 465, 645, 1333, 3999, 4079, 6665, 12237, 19995, 20395, 61185, 126449, 175397, 379347, 526191, 632245, 876985, 1896735, 2630955, 5437307, 16311921, 27186535, 81559605]

約数ペア:

[(1, 81559605), (3, 27186535), (5, 16311921), (15, 5437307), (31, 2630955), (43, 1896735), (93, 876985), (129, 632245), (155, 526191), (215, 379347), (465, 175397), (645, 126449), (1333, 61185), (3999, 20395), (4079, 19995), (6665, 12237)]