71317659

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{3803}}^1$

素因数の和:3879

約数の個数: 32

約数和(自身を含む): 116858880

約数和(自身を除く): 45541221

約数列:

[1, 3, 7, 19, 21, 47, 57, 133, 141, 329, 399, 893, 987, 2679, 3803, 6251, 11409, 18753, 26621, 72257, 79863, 178741, 216771, 505799, 536223, 1251187, 1517397, 3396079, 3753561, 10188237, 23772553, 71317659]

約数ペア:

[(1, 71317659), (3, 23772553), (7, 10188237), (19, 3753561), (21, 3396079), (47, 1517397), (57, 1251187), (133, 536223), (141, 505799), (329, 216771), (399, 178741), (893, 79863), (987, 72257), (2679, 26621), (3803, 18753), (6251, 11409)]