2188575

素因数分解:

$3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:224

約数の個数: 36

約数和(自身を含む): 4004208

約数和(自身を除く): 1815633

約数列:

[1, 3, 5, 9, 15, 25, 45, 71, 75, 137, 213, 225, 355, 411, 639, 685, 1065, 1233, 1775, 2055, 3195, 3425, 5325, 6165, 9727, 10275, 15975, 29181, 30825, 48635, 87543, 145905, 243175, 437715, 729525, 2188575]

約数ペア:

[(1, 2188575), (3, 729525), (5, 437715), (9, 243175), (15, 145905), (25, 87543), (45, 48635), (71, 30825), (75, 29181), (137, 15975), (213, 10275), (225, 9727), (355, 6165), (411, 5325), (639, 3425), (685, 3195), (1065, 2055), (1233, 1775)]