256810095

素因数分解:

$3^4\times 5^1\times {\mathrm{167}}^1\times {\mathrm{3797}}^1$

素因数の和:3981

約数の個数: 40

約数和(自身を含む): 463234464

約数和(自身を除く): 206424369

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 167, 405, 501, 835, 1503, 2505, 3797, 4509, 7515, 11391, 13527, 18985, 22545, 34173, 56955, 67635, 102519, 170865, 307557, 512595, 634099, 1537785, 1902297, 3170495, 5706891, 9511485, 17120673, 28534455, 51362019, 85603365, 256810095]

約数ペア:

[(1, 256810095), (3, 85603365), (5, 51362019), (9, 28534455), (15, 17120673), (27, 9511485), (45, 5706891), (81, 3170495), (135, 1902297), (167, 1537785), (405, 634099), (501, 512595), (835, 307557), (1503, 170865), (2505, 102519), (3797, 67635), (4509, 56955), (7515, 34173), (11391, 22545), (13527, 18985)]