71757357

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:266

約数の個数: 64

約数和(自身を含む): 124416000

約数和(自身を除く): 52658643

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 71, 119, 133, 149, 213, 323, 357, 399, 447, 497, 969, 1043, 1207, 1349, 1491, 2261, 2533, 2831, 3129, 3621, 4047, 6783, 7599, 8449, 8493, 9443, 10579, 17731, 19817, 22933, 25347, 28329, 31737, 48127, 53193, 59451, 68799, 74053, 144381, 160531, 179843, 201001, 222159, 336889, 481593, 539529, 603003, 1010667, 1258901, 1407007, 3417017, 3776703, 4221021, 10251051, 23919119, 71757357]

約数ペア:

[(1, 71757357), (3, 23919119), (7, 10251051), (17, 4221021), (19, 3776703), (21, 3417017), (51, 1407007), (57, 1258901), (71, 1010667), (119, 603003), (133, 539529), (149, 481593), (213, 336889), (323, 222159), (357, 201001), (399, 179843), (447, 160531), (497, 144381), (969, 74053), (1043, 68799), (1207, 59451), (1349, 53193), (1491, 48127), (2261, 31737), (2533, 28329), (2831, 25347), (3129, 22933), (3621, 19817), (4047, 17731), (6783, 10579), (7599, 9443), (8449, 8493)]