210969891

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{15331}}^1$

素因数の和:15487

約数の個数: 24

約数和(自身を含む): 334850880

約数和(自身を除く): 123880989

約数列:

[1, 3, 9, 11, 33, 99, 139, 417, 1251, 1529, 4587, 13761, 15331, 45993, 137979, 168641, 505923, 1517769, 2131009, 6393027, 19179081, 23441099, 70323297, 210969891]

約数ペア:

[(1, 210969891), (3, 70323297), (9, 23441099), (11, 19179081), (33, 6393027), (99, 2131009), (139, 1517769), (417, 505923), (1251, 168641), (1529, 137979), (4587, 45993), (13761, 15331)]