71245797

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{307}}^1$

素因数の和:617

約数の個数: 32

約数和(自身を含む): 111885312

約数和(自身を除く): 40639515

約数列:

[1, 3, 7, 21, 43, 129, 257, 301, 307, 771, 903, 921, 1799, 2149, 5397, 6447, 11051, 13201, 33153, 39603, 77357, 78899, 92407, 232071, 236697, 277221, 552293, 1656879, 3392657, 10177971, 23748599, 71245797]

約数ペア:

[(1, 71245797), (3, 23748599), (7, 10177971), (21, 3392657), (43, 1656879), (129, 552293), (257, 277221), (301, 236697), (307, 232071), (771, 92407), (903, 78899), (921, 77357), (1799, 39603), (2149, 33153), (5397, 13201), (6447, 11051)]