139502909

素因数分解:

$7^1\times {\mathrm{13}}^3\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:286

約数の個数: 32

約数和(自身を含む): 177300480

約数和(自身を除く): 37797571

約数列:

[1, 7, 13, 47, 91, 169, 193, 329, 611, 1183, 1351, 2197, 2509, 4277, 7943, 9071, 15379, 17563, 32617, 55601, 63497, 103259, 117923, 228319, 424021, 722813, 825461, 1532999, 2968147, 10730993, 19928987, 139502909]

約数ペア:

[(1, 139502909), (7, 19928987), (13, 10730993), (47, 2968147), (91, 1532999), (169, 825461), (193, 722813), (329, 424021), (611, 228319), (1183, 117923), (1351, 103259), (2197, 63497), (2509, 55601), (4277, 32617), (7943, 17563), (9071, 15379)]