87709419

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{20177}}^1$

素因数の和:20216

約数の個数: 32

約数和(自身を含む): 154967040

約数和(自身を除く): 67257621

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 20177, 60531, 141239, 181593, 423717, 464071, 544779, 1271151, 1392213, 3248497, 3813453, 4176639, 9745491, 12529917, 29236473, 87709419]

約数ペア:

[(1, 87709419), (3, 29236473), (7, 12529917), (9, 9745491), (21, 4176639), (23, 3813453), (27, 3248497), (63, 1392213), (69, 1271151), (161, 544779), (189, 464071), (207, 423717), (483, 181593), (621, 141239), (1449, 60531), (4347, 20177)]