81703377

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{431}}^1$

素因数の和:523

約数の個数: 64

約数和(自身を含む): 149299200

約数和(自身を除く): 67595823

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 59, 63, 119, 153, 177, 189, 357, 413, 431, 459, 531, 1003, 1071, 1239, 1293, 1593, 3009, 3017, 3213, 3717, 3879, 7021, 7327, 9027, 9051, 11151, 11637, 21063, 21981, 25429, 27081, 27153, 51289, 63189, 65943, 76287, 81459, 153867, 178003, 189567, 197829, 228861, 432293, 461601, 534009, 686583, 1296879, 1384803, 1602027, 3026051, 3890637, 4806081, 9078153, 11671911, 27234459, 81703377]

約数ペア:

[(1, 81703377), (3, 27234459), (7, 11671911), (9, 9078153), (17, 4806081), (21, 3890637), (27, 3026051), (51, 1602027), (59, 1384803), (63, 1296879), (119, 686583), (153, 534009), (177, 461601), (189, 432293), (357, 228861), (413, 197829), (431, 189567), (459, 178003), (531, 153867), (1003, 81459), (1071, 76287), (1239, 65943), (1293, 63189), (1593, 51289), (3009, 27153), (3017, 27081), (3213, 25429), (3717, 21981), (3879, 21063), (7021, 11637), (7327, 11151), (9027, 9051)]