681291273

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{2713}}^1$

素因数の和:2913

約数の個数: 32

約数和(自身を含む): 1006742016

約数和(自身を除く): 325450743

約数列:

[1, 3, 13, 39, 47, 137, 141, 411, 611, 1781, 1833, 2713, 5343, 6439, 8139, 19317, 35269, 83707, 105807, 127511, 251121, 371681, 382533, 1115043, 1657643, 4831853, 4972929, 14495559, 17469007, 52407021, 227097091, 681291273]

約数ペア:

[(1, 681291273), (3, 227097091), (13, 52407021), (39, 17469007), (47, 14495559), (137, 4972929), (141, 4831853), (411, 1657643), (611, 1115043), (1781, 382533), (1833, 371681), (2713, 251121), (5343, 127511), (6439, 105807), (8139, 83707), (19317, 35269)]