1975993971

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{42751}}^1$

素因数の和:42863

約数の個数: 32

約数和(自身を含む): 3152019456

約数和(自身を除く): 1176025485

約数列:

[1, 3, 7, 21, 31, 71, 93, 213, 217, 497, 651, 1491, 2201, 6603, 15407, 42751, 46221, 128253, 299257, 897771, 1325281, 3035321, 3975843, 9105963, 9276967, 21247247, 27830901, 63741741, 94094951, 282284853, 658664657, 1975993971]

約数ペア:

[(1, 1975993971), (3, 658664657), (7, 282284853), (21, 94094951), (31, 63741741), (71, 27830901), (93, 21247247), (213, 9276967), (217, 9105963), (497, 3975843), (651, 3035321), (1491, 1325281), (2201, 897771), (6603, 299257), (15407, 128253), (42751, 46221)]