30787011

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 49420800

約数和(自身を除く): 18633789

約数列:

[1, 3, 9, 19, 43, 53, 57, 79, 129, 159, 171, 237, 387, 477, 711, 817, 1007, 1501, 2279, 2451, 3021, 3397, 4187, 4503, 6837, 7353, 9063, 10191, 12561, 13509, 20511, 30573, 37683, 43301, 64543, 79553, 129903, 180041, 193629, 238659, 389709, 540123, 580887, 715977, 1620369, 3420779, 10262337, 30787011]

約数ペア:

[(1, 30787011), (3, 10262337), (9, 3420779), (19, 1620369), (43, 715977), (53, 580887), (57, 540123), (79, 389709), (129, 238659), (159, 193629), (171, 180041), (237, 129903), (387, 79553), (477, 64543), (711, 43301), (817, 37683), (1007, 30573), (1501, 20511), (2279, 13509), (2451, 12561), (3021, 10191), (3397, 9063), (4187, 7353), (4503, 6837)]