127355553

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 205470720

約数和(自身を除く): 78115167

約数列:

[1, 3, 9, 13, 39, 41, 117, 123, 139, 191, 369, 417, 533, 573, 1251, 1599, 1719, 1807, 2483, 4797, 5421, 5699, 7449, 7831, 16263, 17097, 22347, 23493, 26549, 51291, 70479, 74087, 79647, 101803, 222261, 238941, 305409, 345137, 666783, 916227, 1035411, 1088509, 3106233, 3265527, 9796581, 14150617, 42451851, 127355553]

約数ペア:

[(1, 127355553), (3, 42451851), (9, 14150617), (13, 9796581), (39, 3265527), (41, 3106233), (117, 1088509), (123, 1035411), (139, 916227), (191, 666783), (369, 345137), (417, 305409), (533, 238941), (573, 222261), (1251, 101803), (1599, 79647), (1719, 74087), (1807, 70479), (2483, 51291), (4797, 26549), (5421, 23493), (5699, 22347), (7449, 17097), (7831, 16263)]