30931857

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{18379}}^1$

素因数の和:18413

約数の個数: 24

約数和(自身を含む): 51611040

約数和(自身を除く): 20679183

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 561, 1683, 18379, 55137, 165411, 202169, 312443, 606507, 937329, 1819521, 2811987, 3436873, 10310619, 30931857]

約数ペア:

[(1, 30931857), (3, 10310619), (9, 3436873), (11, 2811987), (17, 1819521), (33, 937329), (51, 606507), (99, 312443), (153, 202169), (187, 165411), (561, 55137), (1683, 18379)]