71120673

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:208

約数の個数: 80

約数和(自身を含む): 126236880

約数和(自身を除く): 55116207

約数列:

[1, 3, 9, 13, 17, 27, 29, 39, 51, 81, 87, 117, 137, 153, 221, 261, 351, 377, 411, 459, 493, 663, 783, 1053, 1131, 1233, 1377, 1479, 1781, 1989, 2329, 2349, 3393, 3699, 3973, 4437, 5343, 5967, 6409, 6987, 10179, 11097, 11919, 13311, 16029, 17901, 19227, 20961, 30277, 30537, 35757, 39933, 48087, 51649, 57681, 62883, 67541, 90831, 107271, 144261, 154947, 173043, 188649, 202623, 272493, 321813, 464841, 519129, 607869, 817479, 878033, 1394523, 1823607, 2452437, 2634099, 4183569, 5470821, 7902297, 23706891, 71120673]

約数ペア:

[(1, 71120673), (3, 23706891), (9, 7902297), (13, 5470821), (17, 4183569), (27, 2634099), (29, 2452437), (39, 1823607), (51, 1394523), (81, 878033), (87, 817479), (117, 607869), (137, 519129), (153, 464841), (221, 321813), (261, 272493), (351, 202623), (377, 188649), (411, 173043), (459, 154947), (493, 144261), (663, 107271), (783, 90831), (1053, 67541), (1131, 62883), (1233, 57681), (1377, 51649), (1479, 48087), (1781, 39933), (1989, 35757), (2329, 30537), (2349, 30277), (3393, 20961), (3699, 19227), (3973, 17901), (4437, 16029), (5343, 13311), (5967, 11919), (6409, 11097), (6987, 10179)]