81724986

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{491}}^1\times {\mathrm{1321}}^1$

素因数の和:1827

約数の個数: 48

約数和(自身を含む): 202932288

約数和(自身を除く): 121207302

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 491, 982, 1321, 1473, 2642, 2946, 3437, 3963, 4419, 6874, 7926, 8838, 9247, 10311, 11889, 18494, 20622, 23778, 27741, 30933, 55482, 61866, 83223, 166446, 648611, 1297222, 1945833, 3891666, 4540277, 5837499, 9080554, 11674998, 13620831, 27241662, 40862493, 81724986]

約数ペア:

[(1, 81724986), (2, 40862493), (3, 27241662), (6, 13620831), (7, 11674998), (9, 9080554), (14, 5837499), (18, 4540277), (21, 3891666), (42, 1945833), (63, 1297222), (126, 648611), (491, 166446), (982, 83223), (1321, 61866), (1473, 55482), (2642, 30933), (2946, 27741), (3437, 23778), (3963, 20622), (4419, 18494), (6874, 11889), (7926, 10311), (8838, 9247)]