28083237

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 47714688

約数和(自身を除く): 19631451

約数列:

[1, 3, 7, 13, 21, 39, 41, 91, 123, 169, 193, 273, 287, 507, 533, 579, 861, 1183, 1351, 1599, 2509, 3549, 3731, 4053, 6929, 7527, 7913, 11193, 17563, 20787, 23739, 32617, 48503, 52689, 55391, 97851, 102869, 145509, 166173, 228319, 308607, 684957, 720083, 1337297, 2160249, 4011891, 9361079, 28083237]

約数ペア:

[(1, 28083237), (3, 9361079), (7, 4011891), (13, 2160249), (21, 1337297), (39, 720083), (41, 684957), (91, 308607), (123, 228319), (169, 166173), (193, 145509), (273, 102869), (287, 97851), (507, 55391), (533, 52689), (579, 48503), (861, 32617), (1183, 23739), (1351, 20787), (1599, 17563), (2509, 11193), (3549, 7913), (3731, 7527), (4053, 6929)]