13666443

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{2999}}^1$

素因数の和:3047

約数の個数: 24

約数和(自身を含む): 21888000

約数和(自身を除く): 8221557

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 651, 1519, 2999, 4557, 8997, 20993, 62979, 92969, 146951, 278907, 440853, 650783, 1952349, 4555481, 13666443]

約数ペア:

[(1, 13666443), (3, 4555481), (7, 1952349), (21, 650783), (31, 440853), (49, 278907), (93, 146951), (147, 92969), (217, 62979), (651, 20993), (1519, 8997), (2999, 4557)]