28032561

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{367}}^1$

素因数の和:443

約数の個数: 40

約数和(自身を含む): 44884224

約数和(自身を除く): 16851663

約数列:

[1, 3, 9, 23, 27, 41, 69, 81, 123, 207, 367, 369, 621, 943, 1101, 1107, 1863, 2829, 3303, 3321, 8441, 8487, 9909, 15047, 25323, 25461, 29727, 45141, 75969, 76383, 135423, 227907, 346081, 406269, 683721, 1038243, 1218807, 3114729, 9344187, 28032561]

約数ペア:

[(1, 28032561), (3, 9344187), (9, 3114729), (23, 1218807), (27, 1038243), (41, 683721), (69, 406269), (81, 346081), (123, 227907), (207, 135423), (367, 76383), (369, 75969), (621, 45141), (943, 29727), (1101, 25461), (1107, 25323), (1863, 15047), (2829, 9909), (3303, 8487), (3321, 8441)]