28203039

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{349}}^1$

素因数の和:472

約数の個数: 32

約数和(自身を含む): 43512000

約数和(自身を除く): 15308961

約数列:

[1, 3, 9, 27, 41, 73, 123, 219, 349, 369, 657, 1047, 1107, 1971, 2993, 3141, 8979, 9423, 14309, 25477, 26937, 42927, 76431, 80811, 128781, 229293, 386343, 687879, 1044557, 3133671, 9401013, 28203039]

約数ペア:

[(1, 28203039), (3, 9401013), (9, 3133671), (27, 1044557), (41, 687879), (73, 386343), (123, 229293), (219, 128781), (349, 80811), (369, 76431), (657, 42927), (1047, 26937), (1107, 25477), (1971, 14309), (2993, 9423), (3141, 8979)]