201621275

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{8951}}^1$

素因数の和:9031

約数の個数: 24

約数和(自身を含む): 269741664

約数和(自身を除く): 68120389

約数列:

[1, 5, 17, 25, 53, 85, 265, 425, 901, 1325, 4505, 8951, 22525, 44755, 152167, 223775, 474403, 760835, 2372015, 3804175, 8064851, 11860075, 40324255, 201621275]

約数ペア:

[(1, 201621275), (5, 40324255), (17, 11860075), (25, 8064851), (53, 3804175), (85, 2372015), (265, 760835), (425, 474403), (901, 223775), (1325, 152167), (4505, 44755), (8951, 22525)]