71947197

素因数分解:

$3^6\times 7^1\times {\mathrm{23}}^1\times {\mathrm{613}}^1$

素因数の和:661

約数の個数: 56

約数和(自身を含む): 128851584

約数和(自身を除く): 56904387

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 161, 189, 207, 243, 483, 567, 613, 621, 729, 1449, 1701, 1839, 1863, 4291, 4347, 5103, 5517, 5589, 12873, 13041, 14099, 16551, 16767, 38619, 39123, 42297, 49653, 98693, 115857, 117369, 126891, 148959, 296079, 347571, 380673, 446877, 888237, 1042713, 1142019, 2664711, 3128139, 3426057, 7994133, 10278171, 23982399, 71947197]

約数ペア:

[(1, 71947197), (3, 23982399), (7, 10278171), (9, 7994133), (21, 3426057), (23, 3128139), (27, 2664711), (63, 1142019), (69, 1042713), (81, 888237), (161, 446877), (189, 380673), (207, 347571), (243, 296079), (483, 148959), (567, 126891), (613, 117369), (621, 115857), (729, 98693), (1449, 49653), (1701, 42297), (1839, 39123), (1863, 38619), (4291, 16767), (4347, 16551), (5103, 14099), (5517, 13041), (5589, 12873)]