2647047

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{227}}^1$

素因数の和:279

約数の個数: 24

約数和(自身を含む): 4005504

約数和(自身を除く): 1358457

約数列:

[1, 3, 13, 23, 39, 69, 169, 227, 299, 507, 681, 897, 2951, 3887, 5221, 8853, 11661, 15663, 38363, 67873, 115089, 203619, 882349, 2647047]

約数ペア:

[(1, 2647047), (3, 882349), (13, 203619), (23, 115089), (39, 67873), (69, 38363), (169, 15663), (227, 11661), (299, 8853), (507, 5221), (681, 3887), (897, 2951)]