128999835

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{157}}^1$

素因数の和:249

約数の個数: 72

約数和(自身を含む): 244754640

約数和(自身を除く): 115754805

約数列:

[1, 3, 5, 9, 15, 19, 31, 45, 57, 93, 95, 155, 157, 171, 279, 285, 465, 471, 589, 785, 855, 961, 1395, 1413, 1767, 2355, 2883, 2945, 2983, 4805, 4867, 5301, 7065, 8649, 8835, 8949, 14415, 14601, 14915, 18259, 24335, 26505, 26847, 43245, 43803, 44745, 54777, 73005, 91295, 92473, 134235, 150877, 164331, 219015, 273885, 277419, 452631, 462365, 754385, 821655, 832257, 1357893, 1387095, 2263155, 2866663, 4161285, 6789465, 8599989, 14333315, 25799967, 42999945, 128999835]

約数ペア:

[(1, 128999835), (3, 42999945), (5, 25799967), (9, 14333315), (15, 8599989), (19, 6789465), (31, 4161285), (45, 2866663), (57, 2263155), (93, 1387095), (95, 1357893), (155, 832257), (157, 821655), (171, 754385), (279, 462365), (285, 452631), (465, 277419), (471, 273885), (589, 219015), (785, 164331), (855, 150877), (961, 134235), (1395, 92473), (1413, 91295), (1767, 73005), (2355, 54777), (2883, 44745), (2945, 43803), (2983, 43245), (4805, 26847), (4867, 26505), (5301, 24335), (7065, 18259), (8649, 14915), (8835, 14601), (8949, 14415)]