201807987

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{601}}^1$

素因数の和:803

約数の個数: 32

約数和(自身を含む): 292427520

約数和(自身を除く): 90619533

約数列:

[1, 3, 19, 43, 57, 129, 137, 411, 601, 817, 1803, 2451, 2603, 5891, 7809, 11419, 17673, 25843, 34257, 77529, 82337, 111929, 247011, 335787, 491017, 1473051, 1564403, 3540491, 4693209, 10621473, 67269329, 201807987]

約数ペア:

[(1, 201807987), (3, 67269329), (19, 10621473), (43, 4693209), (57, 3540491), (129, 1564403), (137, 1473051), (411, 491017), (601, 335787), (817, 247011), (1803, 111929), (2451, 82337), (2603, 77529), (5891, 34257), (7809, 25843), (11419, 17673)]