258889311

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1$

素因数の和:365

約数の個数: 64

約数和(自身を含む): 429235200

約数和(自身を除く): 170345889

約数列:

[1, 3, 9, 17, 23, 27, 51, 69, 137, 153, 179, 207, 391, 411, 459, 537, 621, 1173, 1233, 1611, 2329, 3043, 3151, 3519, 3699, 4117, 4833, 6987, 9129, 9453, 10557, 12351, 20961, 24523, 27387, 28359, 37053, 53567, 62883, 69989, 73569, 82161, 85077, 111159, 160701, 209967, 220707, 416891, 482103, 564029, 629901, 662121, 1250673, 1446309, 1692087, 1889703, 3752019, 5076261, 9588493, 11256057, 15228783, 28765479, 86296437, 258889311]

約数ペア:

[(1, 258889311), (3, 86296437), (9, 28765479), (17, 15228783), (23, 11256057), (27, 9588493), (51, 5076261), (69, 3752019), (137, 1889703), (153, 1692087), (179, 1446309), (207, 1250673), (391, 662121), (411, 629901), (459, 564029), (537, 482103), (621, 416891), (1173, 220707), (1233, 209967), (1611, 160701), (2329, 111159), (3043, 85077), (3151, 82161), (3519, 73569), (3699, 69989), (4117, 62883), (4833, 53567), (6987, 37053), (9129, 28359), (9453, 27387), (10557, 24523), (12351, 20961)]