140788641

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{2129}}^1$

素因数の和:2253

約数の個数: 32

約数和(自身を含む): 222474240

約数和(自身を除く): 81685599

約数列:

[1, 3, 7, 21, 47, 67, 141, 201, 329, 469, 987, 1407, 2129, 3149, 6387, 9447, 14903, 22043, 44709, 66129, 100063, 142643, 300189, 427929, 700441, 998501, 2101323, 2995503, 6704221, 20112663, 46929547, 140788641]

約数ペア:

[(1, 140788641), (3, 46929547), (7, 20112663), (21, 6704221), (47, 2995503), (67, 2101323), (141, 998501), (201, 700441), (329, 427929), (469, 300189), (987, 142643), (1407, 100063), (2129, 66129), (3149, 44709), (6387, 22043), (9447, 14903)]