247426965

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{919}}^1$

素因数の和:1154

約数の個数: 48

約数和(自身を含む): 445486080

約数和(自身を除く): 198059115

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 193, 279, 465, 579, 919, 965, 1395, 1737, 2757, 2895, 4595, 5983, 8271, 8685, 13785, 17949, 28489, 29915, 41355, 53847, 85467, 89745, 142445, 177367, 256401, 269235, 427335, 532101, 886835, 1282005, 1596303, 2660505, 5498377, 7981515, 16495131, 27491885, 49485393, 82475655, 247426965]

約数ペア:

[(1, 247426965), (3, 82475655), (5, 49485393), (9, 27491885), (15, 16495131), (31, 7981515), (45, 5498377), (93, 2660505), (155, 1596303), (193, 1282005), (279, 886835), (465, 532101), (579, 427335), (919, 269235), (965, 256401), (1395, 177367), (1737, 142445), (2757, 89745), (2895, 85467), (4595, 53847), (5983, 41355), (8271, 29915), (8685, 28489), (13785, 17949)]