15239259

素因数分解:

$3^5\times 7^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1$

素因数の和:87

約数の個数: 72

約数和(自身を含む): 28607488

約数和(自身を除く): 13368229

約数列:

[1, 3, 7, 9, 17, 21, 27, 31, 51, 63, 81, 93, 119, 153, 189, 217, 243, 279, 289, 357, 459, 527, 567, 651, 837, 867, 1071, 1377, 1581, 1701, 1953, 2023, 2511, 2601, 3213, 3689, 4131, 4743, 5859, 6069, 7533, 7803, 8959, 9639, 11067, 14229, 17577, 18207, 23409, 26877, 28917, 33201, 42687, 52731, 54621, 62713, 70227, 80631, 99603, 128061, 163863, 188139, 241893, 298809, 491589, 564417, 725679, 896427, 1693251, 2177037, 5079753, 15239259]

約数ペア:

[(1, 15239259), (3, 5079753), (7, 2177037), (9, 1693251), (17, 896427), (21, 725679), (27, 564417), (31, 491589), (51, 298809), (63, 241893), (81, 188139), (93, 163863), (119, 128061), (153, 99603), (189, 80631), (217, 70227), (243, 62713), (279, 54621), (289, 52731), (357, 42687), (459, 33201), (527, 28917), (567, 26877), (651, 23409), (837, 18207), (867, 17577), (1071, 14229), (1377, 11067), (1581, 9639), (1701, 8959), (1953, 7803), (2023, 7533), (2511, 6069), (2601, 5859), (3213, 4743), (3689, 4131)]