202120917

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1\times {\mathrm{199}}^1$

素因数の和:497

約数の個数: 32

約数和(自身を含む): 289536000

約数和(自身を除く): 87415083

約数列:

[1, 3, 19, 57, 103, 173, 199, 309, 519, 597, 1957, 3287, 3781, 5871, 9861, 11343, 17819, 20497, 34427, 53457, 61491, 103281, 338561, 389443, 654113, 1015683, 1168329, 1962339, 3545981, 10637943, 67373639, 202120917]

約数ペア:

[(1, 202120917), (3, 67373639), (19, 10637943), (57, 3545981), (103, 1962339), (173, 1168329), (199, 1015683), (309, 654113), (519, 389443), (597, 338561), (1957, 103281), (3287, 61491), (3781, 53457), (5871, 34427), (9861, 20497), (11343, 17819)]