203428179

素因数分解:

$3^7\times {\mathrm{191}}^1\times {\mathrm{487}}^1$

素因数の和:699

約数の個数: 32

約数和(自身を含む): 307322880

約数和(自身を除く): 103894701

約数列:

[1, 3, 9, 27, 81, 191, 243, 487, 573, 729, 1461, 1719, 2187, 4383, 5157, 13149, 15471, 39447, 46413, 93017, 118341, 139239, 279051, 355023, 417717, 837153, 1065069, 2511459, 7534377, 22603131, 67809393, 203428179]

約数ペア:

[(1, 203428179), (3, 67809393), (9, 22603131), (27, 7534377), (81, 2511459), (191, 1065069), (243, 837153), (487, 417717), (573, 355023), (729, 279051), (1461, 139239), (1719, 118341), (2187, 93017), (4383, 46413), (5157, 39447), (13149, 15471)]