78870645

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{11923}}^1$

素因数の和:11951

約数の個数: 48

約数和(自身を含む): 163120320

約数和(自身を除く): 84249675

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 189, 245, 315, 441, 735, 945, 1323, 2205, 6615, 11923, 35769, 59615, 83461, 107307, 178845, 250383, 321921, 417305, 536535, 584227, 751149, 1251915, 1609605, 1752681, 2253447, 2921135, 3755745, 5258043, 8763405, 11267235, 15774129, 26290215, 78870645]

約数ペア:

[(1, 78870645), (3, 26290215), (5, 15774129), (7, 11267235), (9, 8763405), (15, 5258043), (21, 3755745), (27, 2921135), (35, 2253447), (45, 1752681), (49, 1609605), (63, 1251915), (105, 751149), (135, 584227), (147, 536535), (189, 417305), (245, 321921), (315, 250383), (441, 178845), (735, 107307), (945, 83461), (1323, 59615), (2205, 35769), (6615, 11923)]