1290972681

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{18397}}^1$

素因数の和:18542

約数の個数: 32

約数和(自身を含む): 2013477120

約数和(自身を除く): 722504439

約数列:

[1, 3, 9, 23, 27, 69, 113, 207, 339, 621, 1017, 2599, 3051, 7797, 18397, 23391, 55191, 70173, 165573, 423131, 496719, 1269393, 2078861, 3808179, 6236583, 11424537, 18709749, 47813803, 56129247, 143441409, 430324227, 1290972681]

約数ペア:

[(1, 1290972681), (3, 430324227), (9, 143441409), (23, 56129247), (27, 47813803), (69, 18709749), (113, 11424537), (207, 6236583), (339, 3808179), (621, 2078861), (1017, 1269393), (2599, 496719), (3051, 423131), (7797, 165573), (18397, 70173), (23391, 55191)]