1680393345

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{137119}}^1$

素因数の和:137189

約数の個数: 32

約数和(自身を含む): 2895974400

約数和(自身を除く): 1215581055

約数列:

[1, 3, 5, 15, 19, 43, 57, 95, 129, 215, 285, 645, 817, 2451, 4085, 12255, 137119, 411357, 685595, 2056785, 2605261, 5896117, 7815783, 13026305, 17688351, 29480585, 39078915, 88441755, 112026223, 336078669, 560131115, 1680393345]

約数ペア:

[(1, 1680393345), (3, 560131115), (5, 336078669), (15, 112026223), (19, 88441755), (43, 39078915), (57, 29480585), (95, 17688351), (129, 13026305), (215, 7815783), (285, 5896117), (645, 2605261), (817, 2056785), (2451, 685595), (4085, 411357), (12255, 137119)]