81872945

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{7333}}^1$

素因数の和:7385

約数の個数: 32

約数和(自身を含む): 126731520

約数和(自身を除く): 44858575

約数列:

[1, 5, 7, 11, 29, 35, 55, 77, 145, 203, 319, 385, 1015, 1595, 2233, 7333, 11165, 36665, 51331, 80663, 212657, 256655, 403315, 564641, 1063285, 1488599, 2339227, 2823205, 7442995, 11696135, 16374589, 81872945]

約数ペア:

[(1, 81872945), (5, 16374589), (7, 11696135), (11, 7442995), (29, 2823205), (35, 2339227), (55, 1488599), (77, 1063285), (145, 564641), (203, 403315), (319, 256655), (385, 212657), (1015, 80663), (1595, 51331), (2233, 36665), (7333, 11165)]