1997702931

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^2\times {\mathrm{113}}^1\times {\mathrm{167}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 3133573632

約数和(自身を除く): 1135870701

約数列:

[1, 3, 7, 21, 71, 113, 167, 213, 339, 497, 501, 791, 1169, 1491, 2373, 3507, 5041, 8023, 11857, 15123, 18871, 24069, 35287, 35571, 56161, 56613, 82999, 105861, 132097, 168483, 248997, 396291, 569633, 841847, 1339841, 1708899, 2525541, 3987431, 4019523, 5892929, 9378887, 11962293, 17678787, 28136661, 95128711, 285386133, 665900977, 1997702931]

約数ペア:

[(1, 1997702931), (3, 665900977), (7, 285386133), (21, 95128711), (71, 28136661), (113, 17678787), (167, 11962293), (213, 9378887), (339, 5892929), (497, 4019523), (501, 3987431), (791, 2525541), (1169, 1708899), (1491, 1339841), (2373, 841847), (3507, 569633), (5041, 396291), (8023, 248997), (11857, 168483), (15123, 132097), (18871, 105861), (24069, 82999), (35287, 56613), (35571, 56161)]