81931662

素因数分解:

$2^1\times 3^4\times {\mathrm{61}}^1\times {\mathrm{8291}}^1$

素因数の和:8366

約数の個数: 40

約数和(自身を含む): 186619752

約数和(自身を除く): 104688090

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 61, 81, 122, 162, 183, 366, 549, 1098, 1647, 3294, 4941, 8291, 9882, 16582, 24873, 49746, 74619, 149238, 223857, 447714, 505751, 671571, 1011502, 1343142, 1517253, 3034506, 4551759, 9103518, 13655277, 27310554, 40965831, 81931662]

約数ペア:

[(1, 81931662), (2, 40965831), (3, 27310554), (6, 13655277), (9, 9103518), (18, 4551759), (27, 3034506), (54, 1517253), (61, 1343142), (81, 1011502), (122, 671571), (162, 505751), (183, 447714), (366, 223857), (549, 149238), (1098, 74619), (1647, 49746), (3294, 24873), (4941, 16582), (8291, 9882)]