30681231

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{557}}^1$

素因数の和:671

約数の個数: 32

約数和(自身を含む): 48711168

約数和(自身を除く): 18029937

約数列:

[1, 3, 7, 21, 43, 61, 129, 183, 301, 427, 557, 903, 1281, 1671, 2623, 3899, 7869, 11697, 18361, 23951, 33977, 55083, 71853, 101931, 167657, 237839, 502971, 713517, 1461011, 4383033, 10227077, 30681231]

約数ペア:

[(1, 30681231), (3, 10227077), (7, 4383033), (21, 1461011), (43, 713517), (61, 502971), (129, 237839), (183, 167657), (301, 101931), (427, 71853), (557, 55083), (903, 33977), (1281, 23951), (1671, 18361), (2623, 11697), (3899, 7869)]