15491973

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{947}}^1$

素因数の和:1017

約数の個数: 32

約数和(自身を含む): 25482240

約数和(自身を除く): 9990267

約数列:

[1, 3, 7, 19, 21, 41, 57, 123, 133, 287, 399, 779, 861, 947, 2337, 2841, 5453, 6629, 16359, 17993, 19887, 38827, 53979, 116481, 125951, 271789, 377853, 737713, 815367, 2213139, 5163991, 15491973]

約数ペア:

[(1, 15491973), (3, 5163991), (7, 2213139), (19, 815367), (21, 737713), (41, 377853), (57, 271789), (123, 125951), (133, 116481), (287, 53979), (399, 38827), (779, 19887), (861, 17993), (947, 16359), (2337, 6629), (2841, 5453)]