203780073

素因数分解:

$3^1\times 7^4\times {\mathrm{19}}^1\times {\mathrm{1489}}^1$

素因数の和:1539

約数の個数: 40

約数和(自身を含む): 333879200

約数和(自身を除く): 130099127

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 343, 399, 931, 1029, 1489, 2401, 2793, 4467, 6517, 7203, 10423, 19551, 28291, 31269, 45619, 72961, 84873, 136857, 198037, 218883, 510727, 594111, 1386259, 1532181, 3575089, 4158777, 9703813, 10725267, 29111439, 67926691, 203780073]

約数ペア:

[(1, 203780073), (3, 67926691), (7, 29111439), (19, 10725267), (21, 9703813), (49, 4158777), (57, 3575089), (133, 1532181), (147, 1386259), (343, 594111), (399, 510727), (931, 218883), (1029, 198037), (1489, 136857), (2401, 84873), (2793, 72961), (4467, 45619), (6517, 31269), (7203, 28291), (10423, 19551)]