3858904791

素因数分解:

$3^2\times 7^2\times {\mathrm{8750351}}^1$

素因数の和:8750371

約数の個数: 18

約数和(自身を含む): 6484010832

約数和(自身を除く): 2625106041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 8750351, 26251053, 61252457, 78753159, 183757371, 428767199, 551272113, 1286301597, 3858904791]

約数ペア:

[(1, 3858904791), (3, 1286301597), (7, 551272113), (9, 428767199), (21, 183757371), (49, 78753159), (63, 61252457), (147, 26251053), (441, 8750351)]