228889731

素因数分解:

$3^1\times 7^4\times {\mathrm{43}}^1\times {\mathrm{739}}^1$

素因数の和:813

約数の個数: 40

約数和(自身を含む): 364802240

約数和(自身を除く): 135912509

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 343, 739, 903, 1029, 2107, 2217, 2401, 5173, 6321, 7203, 14749, 15519, 31777, 36211, 44247, 95331, 103243, 108633, 222439, 253477, 309729, 667317, 760431, 1557073, 1774339, 4671219, 5323017, 10899511, 32698533, 76296577, 228889731]

約数ペア:

[(1, 228889731), (3, 76296577), (7, 32698533), (21, 10899511), (43, 5323017), (49, 4671219), (129, 1774339), (147, 1557073), (301, 760431), (343, 667317), (739, 309729), (903, 253477), (1029, 222439), (2107, 108633), (2217, 103243), (2401, 95331), (5173, 44247), (6321, 36211), (7203, 31777), (14749, 15519)]