28417965

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{111443}}^1$

素因数の和:111468

約数の個数: 16

約数和(自身を含む): 48143808

約数和(自身を除く): 19725843

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 111443, 334329, 557215, 1671645, 1894531, 5683593, 9472655, 28417965]

約数ペア:

[(1, 28417965), (3, 9472655), (5, 5683593), (15, 1894531), (17, 1671645), (51, 557215), (85, 334329), (255, 111443)]