156980025

素因数分解:

$3^4\times 5^2\times {\mathrm{77521}}^1$

素因数の和:77543

約数の個数: 30

約数和(自身を含む): 290785022

約数和(自身を除く): 133804997

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 77521, 232563, 387605, 697689, 1162815, 1938025, 2093067, 3488445, 5814075, 6279201, 10465335, 17442225, 31396005, 52326675, 156980025]

約数ペア:

[(1, 156980025), (3, 52326675), (5, 31396005), (9, 17442225), (15, 10465335), (25, 6279201), (27, 5814075), (45, 3488445), (75, 2093067), (81, 1938025), (135, 1162815), (225, 697689), (405, 387605), (675, 232563), (2025, 77521)]