28195665

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{503}}^1$

素因数の和:649

約数の個数: 32

約数和(自身を含む): 46884096

約数和(自身を除く): 18688431

約数列:

[1, 3, 5, 15, 37, 101, 111, 185, 303, 503, 505, 555, 1509, 1515, 2515, 3737, 7545, 11211, 18611, 18685, 50803, 55833, 56055, 93055, 152409, 254015, 279165, 762045, 1879711, 5639133, 9398555, 28195665]

約数ペア:

[(1, 28195665), (3, 9398555), (5, 5639133), (15, 1879711), (37, 762045), (101, 279165), (111, 254015), (185, 152409), (303, 93055), (503, 56055), (505, 55833), (555, 50803), (1509, 18685), (1515, 18611), (2515, 11211), (3737, 7545)]