2220199215

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{557}}^1\times {\mathrm{20441}}^1$

素因数の和:21019

約数の個数: 32

約数和(自身を含む): 3832629696

約数和(自身を除く): 1612430481

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 557, 1671, 2785, 7241, 8355, 20441, 21723, 36205, 61323, 102205, 108615, 265733, 306615, 797199, 1328665, 3985995, 11385637, 34156911, 56928185, 148013281, 170784555, 444039843, 740066405, 2220199215]

約数ペア:

[(1, 2220199215), (3, 740066405), (5, 444039843), (13, 170784555), (15, 148013281), (39, 56928185), (65, 34156911), (195, 11385637), (557, 3985995), (1671, 1328665), (2785, 797199), (7241, 306615), (8355, 265733), (20441, 108615), (21723, 102205), (36205, 61323)]