1831167

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:109

約数の個数: 40

約数和(自身を含む): 3089856

約数和(自身を除く): 1258689

約数列:

[1, 3, 9, 13, 27, 37, 39, 47, 81, 111, 117, 141, 333, 351, 423, 481, 611, 999, 1053, 1269, 1443, 1739, 1833, 2997, 3807, 4329, 5217, 5499, 12987, 15651, 16497, 22607, 38961, 46953, 49491, 67821, 140859, 203463, 610389, 1831167]

約数ペア:

[(1, 1831167), (3, 610389), (9, 203463), (13, 140859), (27, 67821), (37, 49491), (39, 46953), (47, 38961), (81, 22607), (111, 16497), (117, 15651), (141, 12987), (333, 5499), (351, 5217), (423, 4329), (481, 3807), (611, 2997), (999, 1833), (1053, 1739), (1269, 1443)]