15604985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 21859200

約数和(自身を除く): 6254215

約数列:

[1, 5, 11, 19, 55, 95, 109, 137, 209, 545, 685, 1045, 1199, 1507, 2071, 2603, 5995, 7535, 10355, 13015, 14933, 22781, 28633, 74665, 113905, 143165, 164263, 283727, 821315, 1418635, 3120997, 15604985]

約数ペア:

[(1, 15604985), (5, 3120997), (11, 1418635), (19, 821315), (55, 283727), (95, 164263), (109, 143165), (137, 113905), (209, 74665), (545, 28633), (685, 22781), (1045, 14933), (1199, 13015), (1507, 10355), (2071, 7535), (2603, 5995)]