248805513

素因数分解:

$3^6\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:142

約数の個数: 112

約数和(自身を含む): 453288960

約数和(自身を除く): 204483447

約数列:

[1, 3, 9, 11, 19, 23, 27, 33, 57, 69, 71, 81, 99, 171, 207, 209, 213, 243, 253, 297, 437, 513, 621, 627, 639, 729, 759, 781, 891, 1311, 1349, 1539, 1633, 1863, 1881, 1917, 2277, 2343, 2673, 3933, 4047, 4617, 4807, 4899, 5589, 5643, 5751, 6831, 7029, 8019, 11799, 12141, 13851, 14421, 14697, 14839, 16767, 16929, 17253, 17963, 20493, 21087, 31027, 35397, 36423, 43263, 44091, 44517, 50787, 51759, 53889, 61479, 63261, 93081, 106191, 109269, 129789, 132273, 133551, 152361, 161667, 184437, 189783, 279243, 318573, 327807, 341297, 389367, 396819, 400653, 485001, 569349, 837729, 983421, 1023891, 1168101, 1190457, 1201959, 1455003, 2513187, 3071673, 3504303, 3605877, 4365009, 7539561, 9215019, 10817631, 13095027, 22618683, 27645057, 82935171, 248805513]

約数ペア:

[(1, 248805513), (3, 82935171), (9, 27645057), (11, 22618683), (19, 13095027), (23, 10817631), (27, 9215019), (33, 7539561), (57, 4365009), (69, 3605877), (71, 3504303), (81, 3071673), (99, 2513187), (171, 1455003), (207, 1201959), (209, 1190457), (213, 1168101), (243, 1023891), (253, 983421), (297, 837729), (437, 569349), (513, 485001), (621, 400653), (627, 396819), (639, 389367), (729, 341297), (759, 327807), (781, 318573), (891, 279243), (1311, 189783), (1349, 184437), (1539, 161667), (1633, 152361), (1863, 133551), (1881, 132273), (1917, 129789), (2277, 109269), (2343, 106191), (2673, 93081), (3933, 63261), (4047, 61479), (4617, 53889), (4807, 51759), (4899, 50787), (5589, 44517), (5643, 44091), (5751, 43263), (6831, 36423), (7029, 35397), (8019, 31027), (11799, 21087), (12141, 20493), (13851, 17963), (14421, 17253), (14697, 16929), (14839, 16767)]