81461556

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^2\times {\mathrm{18701}}^1$

素因数の和:18733

約数の個数: 54

約数和(自身を含む): 226350306

約数和(自身を除く): 144888750

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 121, 132, 198, 242, 363, 396, 484, 726, 1089, 1452, 2178, 4356, 18701, 37402, 56103, 74804, 112206, 168309, 205711, 224412, 336618, 411422, 617133, 673236, 822844, 1234266, 1851399, 2262821, 2468532, 3702798, 4525642, 6788463, 7405596, 9051284, 13576926, 20365389, 27153852, 40730778, 81461556]

約数ペア:

[(1, 81461556), (2, 40730778), (3, 27153852), (4, 20365389), (6, 13576926), (9, 9051284), (11, 7405596), (12, 6788463), (18, 4525642), (22, 3702798), (33, 2468532), (36, 2262821), (44, 1851399), (66, 1234266), (99, 822844), (121, 673236), (132, 617133), (198, 411422), (242, 336618), (363, 224412), (396, 205711), (484, 168309), (726, 112206), (1089, 74804), (1452, 56103), (2178, 37402), (4356, 18701)]