221422941

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{919}}^1\times {\mathrm{1409}}^1$

素因数の和:2353

約数の個数: 24

約数和(自身を含む): 337272000

約数和(自身を除く): 115849059

約数列:

[1, 3, 9, 19, 57, 171, 919, 1409, 2757, 4227, 8271, 12681, 17461, 26771, 52383, 80313, 157149, 240939, 1294871, 3884613, 11653839, 24602549, 73807647, 221422941]

約数ペア:

[(1, 221422941), (3, 73807647), (9, 24602549), (19, 11653839), (57, 3884613), (171, 1294871), (919, 240939), (1409, 157149), (2757, 80313), (4227, 52383), (8271, 26771), (12681, 17461)]