661608

素因数分解:

$2^3\times 3^4\times {\mathrm{1021}}^1$

素因数の和:1039

約数の個数: 40

約数和(自身を含む): 1854930

約数和(自身を除く): 1193322

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 1021, 2042, 3063, 4084, 6126, 8168, 9189, 12252, 18378, 24504, 27567, 36756, 55134, 73512, 82701, 110268, 165402, 220536, 330804, 661608]

約数ペア:

[(1, 661608), (2, 330804), (3, 220536), (4, 165402), (6, 110268), (8, 82701), (9, 73512), (12, 55134), (18, 36756), (24, 27567), (27, 24504), (36, 18378), (54, 12252), (72, 9189), (81, 8168), (108, 6126), (162, 4084), (216, 3063), (324, 2042), (648, 1021)]