78897537

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{787}}^1$

素因数の和:922

約数の個数: 32

約数和(自身を含む): 121036800

約数和(自身を除く): 42139263

約数列:

[1, 3, 9, 27, 47, 79, 141, 237, 423, 711, 787, 1269, 2133, 2361, 3713, 7083, 11139, 21249, 33417, 36989, 62173, 100251, 110967, 186519, 332901, 559557, 998703, 1678671, 2922131, 8766393, 26299179, 78897537]

約数ペア:

[(1, 78897537), (3, 26299179), (9, 8766393), (27, 2922131), (47, 1678671), (79, 998703), (141, 559557), (237, 332901), (423, 186519), (711, 110967), (787, 100251), (1269, 62173), (2133, 36989), (2361, 33417), (3713, 21249), (7083, 11139)]