12961515

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:196

約数の個数: 64

約数和(自身を含む): 25574400

約数和(自身を除く): 12612885

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 73, 89, 95, 105, 133, 219, 267, 285, 365, 399, 445, 511, 623, 665, 1095, 1335, 1387, 1533, 1691, 1869, 1995, 2555, 3115, 4161, 5073, 6497, 6935, 7665, 8455, 9345, 9709, 11837, 19491, 20805, 25365, 29127, 32485, 35511, 45479, 48545, 59185, 97455, 123443, 136437, 145635, 177555, 227395, 370329, 617215, 682185, 864101, 1851645, 2592303, 4320505, 12961515]

約数ペア:

[(1, 12961515), (3, 4320505), (5, 2592303), (7, 1851645), (15, 864101), (19, 682185), (21, 617215), (35, 370329), (57, 227395), (73, 177555), (89, 145635), (95, 136437), (105, 123443), (133, 97455), (219, 59185), (267, 48545), (285, 45479), (365, 35511), (399, 32485), (445, 29127), (511, 25365), (623, 20805), (665, 19491), (1095, 11837), (1335, 9709), (1387, 9345), (1533, 8455), (1691, 7665), (1869, 6935), (1995, 6497), (2555, 5073), (3115, 4161)]