215518107

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{7699}}^1$

素因数の和:7783

約数の個数: 32

約数和(自身を含む): 346931200

約数和(自身を除く): 131413093

約数列:

[1, 3, 7, 21, 31, 43, 93, 129, 217, 301, 651, 903, 1333, 3999, 7699, 9331, 23097, 27993, 53893, 161679, 238669, 331057, 716007, 993171, 1670683, 2317399, 5012049, 6952197, 10262767, 30788301, 71839369, 215518107]

約数ペア:

[(1, 215518107), (3, 71839369), (7, 30788301), (21, 10262767), (31, 6952197), (43, 5012049), (93, 2317399), (129, 1670683), (217, 993171), (301, 716007), (651, 331057), (903, 238669), (1333, 161679), (3999, 53893), (7699, 27993), (9331, 23097)]