2917863

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1$

素因数の和:205

約数の個数: 40

約数和(自身を含む): 5000688

約数和(自身を除く): 2082825

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 81, 117, 153, 163, 221, 351, 459, 489, 663, 1053, 1377, 1467, 1989, 2119, 2771, 4401, 5967, 6357, 8313, 13203, 17901, 19071, 24939, 36023, 57213, 74817, 108069, 171639, 224451, 324207, 972621, 2917863]

約数ペア:

[(1, 2917863), (3, 972621), (9, 324207), (13, 224451), (17, 171639), (27, 108069), (39, 74817), (51, 57213), (81, 36023), (117, 24939), (153, 19071), (163, 17901), (221, 13203), (351, 8313), (459, 6357), (489, 5967), (663, 4401), (1053, 2771), (1377, 2119), (1467, 1989)]