15426915

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 29111040

約数和(自身を除く): 13684125

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 139, 147, 151, 245, 417, 453, 695, 735, 755, 973, 1057, 2085, 2265, 2919, 3171, 4865, 5285, 6811, 7399, 14595, 15855, 20433, 20989, 22197, 34055, 36995, 62967, 102165, 104945, 110985, 146923, 314835, 440769, 734615, 1028461, 2203845, 3085383, 5142305, 15426915]

約数ペア:

[(1, 15426915), (3, 5142305), (5, 3085383), (7, 2203845), (15, 1028461), (21, 734615), (35, 440769), (49, 314835), (105, 146923), (139, 110985), (147, 104945), (151, 102165), (245, 62967), (417, 36995), (453, 34055), (695, 22197), (735, 20989), (755, 20433), (973, 15855), (1057, 14595), (2085, 7399), (2265, 6811), (2919, 5285), (3171, 4865)]