51665649

素因数分解:

$3^1\times 7^2\times {\mathrm{557}}^1\times {\mathrm{631}}^1$

素因数の和:1205

約数の個数: 24

約数和(自身を含む): 80405568

約数和(自身を除く): 28739919

約数列:

[1, 3, 7, 21, 49, 147, 557, 631, 1671, 1893, 3899, 4417, 11697, 13251, 27293, 30919, 81879, 92757, 351467, 1054401, 2460269, 7380807, 17221883, 51665649]

約数ペア:

[(1, 51665649), (3, 17221883), (7, 7380807), (21, 2460269), (49, 1054401), (147, 351467), (557, 92757), (631, 81879), (1671, 30919), (1893, 27293), (3899, 13251), (4417, 11697)]