1721431491

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{167}}^1\times {\mathrm{2339}}^1$

素因数の和:2635

約数の個数: 32

約数和(自身を含む): 2509678080

約数和(自身を除く): 788246589

約数列:

[1, 3, 13, 39, 113, 167, 339, 501, 1469, 2171, 2339, 4407, 6513, 7017, 18871, 30407, 56613, 91221, 245323, 264307, 390613, 735969, 792921, 1171839, 3435991, 5077969, 10307973, 15233907, 44139269, 132417807, 573810497, 1721431491]

約数ペア:

[(1, 1721431491), (3, 573810497), (13, 132417807), (39, 44139269), (113, 15233907), (167, 10307973), (339, 5077969), (501, 3435991), (1469, 1171839), (2171, 792921), (2339, 735969), (4407, 390613), (6513, 264307), (7017, 245323), (18871, 91221), (30407, 56613)]