128336138973

素因数分解:

$3^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{30431}}^1$

素因数の和:30655

約数の個数: 72

約数和(自身を含む): 220269494016

約数和(自身を除く): 91933355043

約数列:

[1, 3, 7, 9, 21, 49, 63, 73, 131, 147, 219, 393, 441, 511, 657, 917, 1179, 1533, 2751, 3577, 4599, 6419, 8253, 9563, 10731, 19257, 28689, 30431, 32193, 57771, 66941, 86067, 91293, 200823, 213017, 273879, 468587, 602469, 639051, 1405761, 1491119, 1917153, 2221463, 3986461, 4217283, 4473357, 6664389, 11959383, 13420071, 15550241, 19993167, 27905227, 35878149, 46650723, 83715681, 108851687, 139952169, 195336589, 251147043, 291011653, 326555061, 586009767, 873034959, 979665183, 1758029301, 2037081571, 2619104877, 6111244713, 14259570997, 18333734139, 42778712991, 128336138973]

約数ペア:

[(1, 128336138973), (3, 42778712991), (7, 18333734139), (9, 14259570997), (21, 6111244713), (49, 2619104877), (63, 2037081571), (73, 1758029301), (131, 979665183), (147, 873034959), (219, 586009767), (393, 326555061), (441, 291011653), (511, 251147043), (657, 195336589), (917, 139952169), (1179, 108851687), (1533, 83715681), (2751, 46650723), (3577, 35878149), (4599, 27905227), (6419, 19993167), (8253, 15550241), (9563, 13420071), (10731, 11959383), (19257, 6664389), (28689, 4473357), (30431, 4217283), (32193, 3986461), (57771, 2221463), (66941, 1917153), (86067, 1491119), (91293, 1405761), (200823, 639051), (213017, 602469), (273879, 468587)]