51291261

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{577}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 90889344

約数和(自身を除く): 39598083

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 83, 119, 153, 249, 357, 577, 581, 747, 1071, 1411, 1731, 1743, 4039, 4233, 5193, 5229, 9809, 9877, 12117, 12699, 29427, 29631, 36351, 47891, 68663, 88281, 88893, 143673, 205989, 335237, 431019, 617967, 814147, 1005711, 2442441, 3017133, 5699029, 7327323, 17097087, 51291261]

約数ペア:

[(1, 51291261), (3, 17097087), (7, 7327323), (9, 5699029), (17, 3017133), (21, 2442441), (51, 1005711), (63, 814147), (83, 617967), (119, 431019), (153, 335237), (249, 205989), (357, 143673), (577, 88893), (581, 88281), (747, 68663), (1071, 47891), (1411, 36351), (1731, 29631), (1743, 29427), (4039, 12699), (4233, 12117), (5193, 9877), (5229, 9809)]