1280821665

素因数分解:

$3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{293}}^1\times {\mathrm{2579}}^1$

素因数の和:2993

約数の個数: 32

約数和(自身を含む): 2075310720

約数和(自身を除く): 794489055

約数列:

[1, 3, 5, 15, 113, 293, 339, 565, 879, 1465, 1695, 2579, 4395, 7737, 12895, 33109, 38685, 99327, 165545, 291427, 496635, 755647, 874281, 1457135, 2266941, 3778235, 4371405, 11334705, 85388111, 256164333, 426940555, 1280821665]

約数ペア:

[(1, 1280821665), (3, 426940555), (5, 256164333), (15, 85388111), (113, 11334705), (293, 4371405), (339, 3778235), (565, 2266941), (879, 1457135), (1465, 874281), (1695, 755647), (2579, 496635), (4395, 291427), (7737, 165545), (12895, 99327), (33109, 38685)]