128461605

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{503771}}^1$

素因数の和:503796

約数の個数: 16

約数和(自身を含む): 217629504

約数和(自身を除く): 89167899

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 503771, 1511313, 2518855, 7556565, 8564107, 25692321, 42820535, 128461605]

約数ペア:

[(1, 128461605), (3, 42820535), (5, 25692321), (15, 8564107), (17, 7556565), (51, 2518855), (85, 1511313), (255, 503771)]