25407123

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1721}}^1$

素因数の和:1787

約数の個数: 32

約数和(自身を含む): 41879040

約数和(自身を除く): 16471917

約数列:

[1, 3, 7, 19, 21, 37, 57, 111, 133, 259, 399, 703, 777, 1721, 2109, 4921, 5163, 12047, 14763, 32699, 36141, 63677, 98097, 191031, 228893, 445739, 686679, 1209863, 1337217, 3629589, 8469041, 25407123]

約数ペア:

[(1, 25407123), (3, 8469041), (7, 3629589), (19, 1337217), (21, 1209863), (37, 686679), (57, 445739), (111, 228893), (133, 191031), (259, 98097), (399, 63677), (703, 36141), (777, 32699), (1721, 14763), (2109, 12047), (4921, 5163)]