505747809

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1\times {\mathrm{331}}^1$

素因数の和:730

約数の個数: 48

約数和(自身を含む): 850769920

約数和(自身を除く): 345022111

約数列:

[1, 3, 7, 9, 21, 63, 79, 237, 307, 331, 553, 711, 921, 993, 1659, 2149, 2317, 2763, 2979, 4977, 6447, 6951, 19341, 20853, 24253, 26149, 72759, 78447, 101617, 169771, 183043, 218277, 235341, 304851, 509313, 549129, 711319, 914553, 1527939, 1647387, 2133957, 6401871, 8027743, 24083229, 56194201, 72249687, 168582603, 505747809]

約数ペア:

[(1, 505747809), (3, 168582603), (7, 72249687), (9, 56194201), (21, 24083229), (63, 8027743), (79, 6401871), (237, 2133957), (307, 1647387), (331, 1527939), (553, 914553), (711, 711319), (921, 549129), (993, 509313), (1659, 304851), (2149, 235341), (2317, 218277), (2763, 183043), (2979, 169771), (4977, 101617), (6447, 78447), (6951, 72759), (19341, 26149), (20853, 24253)]