81947754

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{431}}^1\times {\mathrm{503}}^1$

素因数の和:952

約数の個数: 64

約数和(自身を含む): 209018880

約数和(自身を除く): 127071126

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 431, 503, 862, 1006, 1293, 1509, 2586, 3017, 3018, 3521, 3879, 4527, 6034, 7042, 7758, 9051, 9054, 10563, 11637, 13581, 18102, 21126, 23274, 27153, 27162, 31689, 54306, 63378, 81459, 95067, 162918, 190134, 216793, 433586, 650379, 1300758, 1517551, 1951137, 3035102, 3902274, 4552653, 5853411, 9105306, 11706822, 13657959, 27315918, 40973877, 81947754]

約数ペア:

[(1, 81947754), (2, 40973877), (3, 27315918), (6, 13657959), (7, 11706822), (9, 9105306), (14, 5853411), (18, 4552653), (21, 3902274), (27, 3035102), (42, 1951137), (54, 1517551), (63, 1300758), (126, 650379), (189, 433586), (378, 216793), (431, 190134), (503, 162918), (862, 95067), (1006, 81459), (1293, 63378), (1509, 54306), (2586, 31689), (3017, 27162), (3018, 27153), (3521, 23274), (3879, 21126), (4527, 18102), (6034, 13581), (7042, 11637), (7758, 10563), (9051, 9054)]