71981217

素因数分解:

$3^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3847}}^1$

素因数の和:3880

約数の個数: 48

約数和(自身を含む): 134464512

約数和(自身を除く): 62483295

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 189, 231, 243, 297, 567, 693, 891, 1701, 2079, 2673, 3847, 6237, 11541, 18711, 26929, 34623, 42317, 80787, 103869, 126951, 242361, 296219, 311607, 380853, 727083, 888657, 934821, 1142559, 2181249, 2665971, 3427677, 6543747, 7997913, 10283031, 23993739, 71981217]

約数ペア:

[(1, 71981217), (3, 23993739), (7, 10283031), (9, 7997913), (11, 6543747), (21, 3427677), (27, 2665971), (33, 2181249), (63, 1142559), (77, 934821), (81, 888657), (99, 727083), (189, 380853), (231, 311607), (243, 296219), (297, 242361), (567, 126951), (693, 103869), (891, 80787), (1701, 42317), (2079, 34623), (2673, 26929), (3847, 18711), (6237, 11541)]