128250441

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:219

約数の個数: 72

約数和(自身を含む): 219098880

約数和(自身を除く): 90848439

約数列:

[1, 3, 9, 11, 29, 31, 33, 87, 93, 99, 121, 131, 261, 279, 319, 341, 363, 393, 899, 957, 1023, 1089, 1179, 1441, 2697, 2871, 3069, 3509, 3751, 3799, 4061, 4323, 8091, 9889, 10527, 11253, 11397, 12183, 12969, 15851, 29667, 31581, 33759, 34191, 36549, 41789, 44671, 47553, 89001, 108779, 117769, 125367, 134013, 142659, 326337, 353307, 376101, 402039, 459679, 491381, 979011, 1059921, 1295459, 1379037, 1474143, 3886377, 4137111, 4422429, 11659131, 14250049, 42750147, 128250441]

約数ペア:

[(1, 128250441), (3, 42750147), (9, 14250049), (11, 11659131), (29, 4422429), (31, 4137111), (33, 3886377), (87, 1474143), (93, 1379037), (99, 1295459), (121, 1059921), (131, 979011), (261, 491381), (279, 459679), (319, 402039), (341, 376101), (363, 353307), (393, 326337), (899, 142659), (957, 134013), (1023, 125367), (1089, 117769), (1179, 108779), (1441, 89001), (2697, 47553), (2871, 44671), (3069, 41789), (3509, 36549), (3751, 34191), (3799, 33759), (4061, 31581), (4323, 29667), (8091, 15851), (9889, 12969), (10527, 12183), (11253, 11397)]