20125329

素因数分解:

$3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{1733}}^1$

素因数の和:1829

約数の個数: 24

約数和(自身を含む): 31628160

約数和(自身を除く): 11502831

約数列:

[1, 3, 7, 21, 49, 79, 147, 237, 553, 1659, 1733, 3871, 5199, 11613, 12131, 36393, 84917, 136907, 254751, 410721, 958349, 2875047, 6708443, 20125329]

約数ペア:

[(1, 20125329), (3, 6708443), (7, 2875047), (21, 958349), (49, 410721), (79, 254751), (147, 136907), (237, 84917), (553, 36393), (1659, 12131), (1733, 11613), (3871, 5199)]