821919921

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{37159}}^1$

素因数の和:37336

約数の個数: 16

約数和(自身を含む): 1121934720

約数和(自身を除く): 300014799

約数列:

[1, 3, 73, 101, 219, 303, 7373, 22119, 37159, 111477, 2712607, 3753059, 8137821, 11259177, 273973307, 821919921]

約数ペア:

[(1, 821919921), (3, 273973307), (73, 11259177), (101, 8137821), (219, 3753059), (303, 2712607), (7373, 111477), (22119, 37159)]