213569379

素因数分解:

$3^4\times {\mathrm{659}}^1\times {\mathrm{4001}}^1$

素因数の和:4672

約数の個数: 20

約数和(自身を含む): 319599720

約数和(自身を除く): 106030341

約数列:

[1, 3, 9, 27, 81, 659, 1977, 4001, 5931, 12003, 17793, 36009, 53379, 108027, 324081, 2636659, 7909977, 23729931, 71189793, 213569379]

約数ペア:

[(1, 213569379), (3, 71189793), (9, 23729931), (27, 7909977), (81, 2636659), (659, 324081), (1977, 108027), (4001, 53379), (5931, 36009), (12003, 17793)]