398028573

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{2251}}^1$

素因数の和:2359

約数の個数: 40

約数和(自身を含む): 621281760

約数和(自身を除く): 223253187

約数列:

[1, 3, 9, 27, 37, 59, 81, 111, 177, 333, 531, 999, 1593, 2183, 2251, 2997, 4779, 6549, 6753, 19647, 20259, 58941, 60777, 83287, 132809, 176823, 182331, 249861, 398427, 749583, 1195281, 2248749, 3585843, 4913933, 6746247, 10757529, 14741799, 44225397, 132676191, 398028573]

約数ペア:

[(1, 398028573), (3, 132676191), (9, 44225397), (27, 14741799), (37, 10757529), (59, 6746247), (81, 4913933), (111, 3585843), (177, 2248749), (333, 1195281), (531, 749583), (999, 398427), (1593, 249861), (2183, 182331), (2251, 176823), (2997, 132809), (4779, 83287), (6549, 60777), (6753, 58941), (19647, 20259)]