81346572

素因数分解:

$2^2\times 3^3\times {\mathrm{37}}^1\times {\mathrm{20357}}^1$

素因数の和:20407

約数の個数: 48

約数和(自身を含む): 216609120

約数和(自身を除く): 135262548

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 108, 111, 148, 222, 333, 444, 666, 999, 1332, 1998, 3996, 20357, 40714, 61071, 81428, 122142, 183213, 244284, 366426, 549639, 732852, 753209, 1099278, 1506418, 2198556, 2259627, 3012836, 4519254, 6778881, 9038508, 13557762, 20336643, 27115524, 40673286, 81346572]

約数ペア:

[(1, 81346572), (2, 40673286), (3, 27115524), (4, 20336643), (6, 13557762), (9, 9038508), (12, 6778881), (18, 4519254), (27, 3012836), (36, 2259627), (37, 2198556), (54, 1506418), (74, 1099278), (108, 753209), (111, 732852), (148, 549639), (222, 366426), (333, 244284), (444, 183213), (666, 122142), (999, 81428), (1332, 61071), (1998, 40714), (3996, 20357)]