780273

素因数分解:

$3^5\times {\mathrm{13}}^2\times {\mathrm{19}}^1$

素因数の和:60

約数の個数: 36

約数和(自身を含む): 1332240

約数和(自身を除く): 551967

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 81, 117, 169, 171, 243, 247, 351, 507, 513, 741, 1053, 1521, 1539, 2223, 3159, 3211, 4563, 4617, 6669, 9633, 13689, 20007, 28899, 41067, 60021, 86697, 260091, 780273]

約数ペア:

[(1, 780273), (3, 260091), (9, 86697), (13, 60021), (19, 41067), (27, 28899), (39, 20007), (57, 13689), (81, 9633), (117, 6669), (169, 4617), (171, 4563), (243, 3211), (247, 3159), (351, 2223), (507, 1539), (513, 1521), (741, 1053)]