66866877

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:252

約数の個数: 80

約数和(自身を含む): 127125504

約数和(自身を除く): 60258627

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 71, 77, 81, 99, 151, 189, 213, 231, 297, 453, 497, 567, 639, 693, 781, 891, 1057, 1359, 1491, 1661, 1917, 2079, 2343, 3171, 4077, 4473, 4983, 5467, 5751, 6237, 7029, 9513, 10721, 11627, 12231, 13419, 14949, 16401, 21087, 28539, 32163, 34881, 40257, 44847, 49203, 63261, 75047, 85617, 96489, 104643, 117931, 134541, 147609, 225141, 289467, 313929, 353793, 442827, 675423, 825517, 868401, 941787, 1061379, 2026269, 2476551, 3184137, 6078807, 7429653, 9552411, 22288959, 66866877]

約数ペア:

[(1, 66866877), (3, 22288959), (7, 9552411), (9, 7429653), (11, 6078807), (21, 3184137), (27, 2476551), (33, 2026269), (63, 1061379), (71, 941787), (77, 868401), (81, 825517), (99, 675423), (151, 442827), (189, 353793), (213, 313929), (231, 289467), (297, 225141), (453, 147609), (497, 134541), (567, 117931), (639, 104643), (693, 96489), (781, 85617), (891, 75047), (1057, 63261), (1359, 49203), (1491, 44847), (1661, 40257), (1917, 34881), (2079, 32163), (2343, 28539), (3171, 21087), (4077, 16401), (4473, 14949), (4983, 13419), (5467, 12231), (5751, 11627), (6237, 10721), (7029, 9513)]