15690621

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1\times {\mathrm{433}}^1$

素因数の和:740

約数の個数: 16

約数和(自身を含む): 21498624

約数和(自身を除く): 5808003

約数列:

[1, 3, 47, 141, 257, 433, 771, 1299, 12079, 20351, 36237, 61053, 111281, 333843, 5230207, 15690621]

約数ペア:

[(1, 15690621), (3, 5230207), (47, 333843), (141, 111281), (257, 61053), (433, 36237), (771, 20351), (1299, 12079)]