12873215

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:239

約数の個数: 24

約数和(自身を含む): 16775808

約数和(自身を除く): 3902593

約数列:

[1, 5, 23, 31, 115, 155, 157, 529, 713, 785, 2645, 3565, 3611, 4867, 16399, 18055, 24335, 81995, 83053, 111941, 415265, 559705, 2574643, 12873215]

約数ペア:

[(1, 12873215), (5, 2574643), (23, 559705), (31, 415265), (115, 111941), (155, 83053), (157, 81995), (529, 24335), (713, 18055), (785, 16399), (2645, 4867), (3565, 3611)]