39981331

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{1381}}^1$

素因数の和:1542

約数の個数: 16

約数和(自身を含む): 45970848

約数和(自身を除く): 5989517

約数列:

[1, 13, 17, 131, 221, 1381, 1703, 2227, 17953, 23477, 28951, 180911, 305201, 2351843, 3075487, 39981331]

約数ペア:

[(1, 39981331), (13, 3075487), (17, 2351843), (131, 305201), (221, 180911), (1381, 28951), (1703, 23477), (2227, 17953)]