168714357

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{1087}}^1$

素因数の和:1505

約数の個数: 32

約数和(自身を含む): 271564800

約数和(自身を除く): 102850443

約数列:

[1, 3, 7, 19, 21, 57, 133, 389, 399, 1087, 1167, 2723, 3261, 7391, 7609, 8169, 20653, 22173, 22827, 51737, 61959, 144571, 155211, 422843, 433713, 1268529, 2959901, 8034017, 8879703, 24102051, 56238119, 168714357]

約数ペア:

[(1, 168714357), (3, 56238119), (7, 24102051), (19, 8879703), (21, 8034017), (57, 2959901), (133, 1268529), (389, 433713), (399, 422843), (1087, 155211), (1167, 144571), (2723, 61959), (3261, 51737), (7391, 22827), (7609, 22173), (8169, 20653)]