1821192191

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{281}}^1\times {\mathrm{1063}}^1$

素因数の和:1431

約数の個数: 32

約数和(自身を含む): 2285165568

約数和(自身を除く): 463973377

約数列:

[1, 7, 13, 67, 91, 281, 469, 871, 1063, 1967, 3653, 6097, 7441, 13819, 18827, 25571, 71221, 96733, 131789, 244751, 298703, 498547, 925873, 1713257, 2090921, 3883139, 6481111, 20013101, 27181973, 140091707, 260170313, 1821192191]

約数ペア:

[(1, 1821192191), (7, 260170313), (13, 140091707), (67, 27181973), (91, 20013101), (281, 6481111), (469, 3883139), (871, 2090921), (1063, 1713257), (1967, 925873), (3653, 498547), (6097, 298703), (7441, 244751), (13819, 131789), (18827, 96733), (25571, 71221)]