1878480963

素因数分解:

$3^4\times {\mathrm{167}}^1\times {\mathrm{138869}}^1$

素因数の和:139048

約数の個数: 20

約数和(自身を含む): 2822949360

約数和(自身を除く): 944468397

約数列:

[1, 3, 9, 27, 81, 167, 501, 1503, 4509, 13527, 138869, 416607, 1249821, 3749463, 11248389, 23191123, 69573369, 208720107, 626160321, 1878480963]

約数ペア:

[(1, 1878480963), (3, 626160321), (9, 208720107), (27, 69573369), (81, 23191123), (167, 11248389), (501, 3749463), (1503, 1249821), (4509, 416607), (13527, 138869)]