121487905

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{739}}^1$

素因数の和:830

約数の個数: 48

約数和(自身を含む): 188291520

約数和(自身を除く): 66803615

約数列:

[1, 5, 7, 11, 35, 49, 55, 61, 77, 245, 305, 385, 427, 539, 671, 739, 2135, 2695, 2989, 3355, 3695, 4697, 5173, 8129, 14945, 23485, 25865, 32879, 36211, 40645, 45079, 56903, 164395, 181055, 225395, 284515, 315553, 398321, 495869, 1577765, 1991605, 2208871, 2479345, 3471083, 11044355, 17355415, 24297581, 121487905]

約数ペア:

[(1, 121487905), (5, 24297581), (7, 17355415), (11, 11044355), (35, 3471083), (49, 2479345), (55, 2208871), (61, 1991605), (77, 1577765), (245, 495869), (305, 398321), (385, 315553), (427, 284515), (539, 225395), (671, 181055), (739, 164395), (2135, 56903), (2695, 45079), (2989, 40645), (3355, 36211), (3695, 32879), (4697, 25865), (5173, 23485), (8129, 14945)]