201676581

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^2$

素因数の和:251

約数の個数: 48

約数和(自身を含む): 323003520

約数和(自身を除く): 121326939

約数列:

[1, 3, 9, 23, 27, 41, 69, 89, 123, 207, 267, 369, 621, 801, 943, 1107, 2047, 2403, 2829, 3649, 6141, 7921, 8487, 10947, 18423, 23763, 25461, 32841, 55269, 71289, 83927, 98523, 182183, 213867, 251781, 324761, 546549, 755343, 974283, 1639647, 2266029, 2922849, 4918941, 7469503, 8768547, 22408509, 67225527, 201676581]

約数ペア:

[(1, 201676581), (3, 67225527), (9, 22408509), (23, 8768547), (27, 7469503), (41, 4918941), (69, 2922849), (89, 2266029), (123, 1639647), (207, 974283), (267, 755343), (369, 546549), (621, 324761), (801, 251781), (943, 213867), (1107, 182183), (2047, 98523), (2403, 83927), (2829, 71289), (3649, 55269), (6141, 32841), (7921, 25461), (8487, 23763), (10947, 18423)]