821014785

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1663}}^1$

素因数の和:1756

約数の個数: 80

約数和(自身を含む): 1565650944

約数和(自身を除く): 744636159

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 53, 69, 81, 115, 135, 159, 207, 265, 345, 405, 477, 621, 795, 1035, 1219, 1431, 1663, 1863, 2385, 3105, 3657, 4293, 4989, 6095, 7155, 8315, 9315, 10971, 14967, 18285, 21465, 24945, 32913, 38249, 44901, 54855, 74835, 88139, 98739, 114747, 134703, 164565, 191245, 224505, 264417, 344241, 440695, 493695, 573735, 673515, 793251, 1032723, 1322085, 1721205, 2027197, 2379753, 3098169, 3966255, 5163615, 6081591, 7139259, 10135985, 11898765, 15490845, 18244773, 30407955, 35696295, 54734319, 91223865, 164202957, 273671595, 821014785]

約数ペア:

[(1, 821014785), (3, 273671595), (5, 164202957), (9, 91223865), (15, 54734319), (23, 35696295), (27, 30407955), (45, 18244773), (53, 15490845), (69, 11898765), (81, 10135985), (115, 7139259), (135, 6081591), (159, 5163615), (207, 3966255), (265, 3098169), (345, 2379753), (405, 2027197), (477, 1721205), (621, 1322085), (795, 1032723), (1035, 793251), (1219, 673515), (1431, 573735), (1663, 493695), (1863, 440695), (2385, 344241), (3105, 264417), (3657, 224505), (4293, 191245), (4989, 164565), (6095, 134703), (7155, 114747), (8315, 98739), (9315, 88139), (10971, 74835), (14967, 54855), (18285, 44901), (21465, 38249), (24945, 32913)]