81071406

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1741}}^1$

素因数の和:1961

約数の個数: 48

約数和(自身を含む): 190226400

約数和(自身を除く): 109154994

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 199, 234, 398, 597, 1194, 1741, 1791, 2587, 3482, 3582, 5174, 5223, 7761, 10446, 15522, 15669, 22633, 23283, 31338, 45266, 46566, 67899, 135798, 203697, 346459, 407394, 692918, 1039377, 2078754, 3118131, 4503967, 6236262, 9007934, 13511901, 27023802, 40535703, 81071406]

約数ペア:

[(1, 81071406), (2, 40535703), (3, 27023802), (6, 13511901), (9, 9007934), (13, 6236262), (18, 4503967), (26, 3118131), (39, 2078754), (78, 1039377), (117, 692918), (199, 407394), (234, 346459), (398, 203697), (597, 135798), (1194, 67899), (1741, 46566), (1791, 45266), (2587, 31338), (3482, 23283), (3582, 22633), (5174, 15669), (5223, 15522), (7761, 10446)]