402171721

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{67}}^1\times {\mathrm{1621}}^1$

素因数の和:1741

約数の個数: 24

約数和(自身を含む): 487949504

約数和(自身を除く): 85777783

約数列:

[1, 7, 23, 67, 161, 469, 529, 1541, 1621, 3703, 10787, 11347, 35443, 37283, 108607, 248101, 260981, 760249, 857509, 2497961, 6002563, 17485727, 57453103, 402171721]

約数ペア:

[(1, 402171721), (7, 57453103), (23, 17485727), (67, 6002563), (161, 2497961), (469, 857509), (529, 760249), (1541, 260981), (1621, 248101), (3703, 108607), (10787, 37283), (11347, 35443)]