201919779

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{5647}}^1$

素因数の和:5819

約数の個数: 24

約数和(自身を含む): 303975360

約数和(自身を除く): 102055581

約数列:

[1, 3, 9, 29, 87, 137, 261, 411, 1233, 3973, 5647, 11919, 16941, 35757, 50823, 163763, 491289, 773639, 1473867, 2320917, 6962751, 22435531, 67306593, 201919779]

約数ペア:

[(1, 201919779), (3, 67306593), (9, 22435531), (29, 6962751), (87, 2320917), (137, 1473867), (261, 773639), (411, 491289), (1233, 163763), (3973, 50823), (5647, 35757), (11919, 16941)]