81997578

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{18443}}^1$

素因数の和:18483

約数の個数: 48

約数和(自身を含む): 201408480

約数和(自身を除く): 119410902

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 38, 39, 57, 78, 114, 117, 171, 234, 247, 342, 494, 741, 1482, 2223, 4446, 18443, 36886, 55329, 110658, 165987, 239759, 331974, 350417, 479518, 700834, 719277, 1051251, 1438554, 2102502, 2157831, 3153753, 4315662, 4555421, 6307506, 9110842, 13666263, 27332526, 40998789, 81997578]

約数ペア:

[(1, 81997578), (2, 40998789), (3, 27332526), (6, 13666263), (9, 9110842), (13, 6307506), (18, 4555421), (19, 4315662), (26, 3153753), (38, 2157831), (39, 2102502), (57, 1438554), (78, 1051251), (114, 719277), (117, 700834), (171, 479518), (234, 350417), (247, 331974), (342, 239759), (494, 165987), (741, 110658), (1482, 55329), (2223, 36886), (4446, 18443)]