1802619

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:128

約数の個数: 48

約数和(自身を含む): 3354624

約数和(自身を除く): 1552005

約数列:

[1, 3, 7, 9, 13, 21, 31, 39, 63, 71, 91, 93, 117, 213, 217, 273, 279, 403, 497, 639, 651, 819, 923, 1209, 1491, 1953, 2201, 2769, 2821, 3627, 4473, 6461, 6603, 8307, 8463, 15407, 19383, 19809, 25389, 28613, 46221, 58149, 85839, 138663, 200291, 257517, 600873, 1802619]

約数ペア:

[(1, 1802619), (3, 600873), (7, 257517), (9, 200291), (13, 138663), (21, 85839), (31, 58149), (39, 46221), (63, 28613), (71, 25389), (91, 19809), (93, 19383), (117, 15407), (213, 8463), (217, 8307), (273, 6603), (279, 6461), (403, 4473), (497, 3627), (639, 2821), (651, 2769), (819, 2201), (923, 1953), (1209, 1491)]