215518935

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{419}}^1\times {\mathrm{647}}^1$

素因数の和:1127

約数の個数: 32

約数和(自身を含む): 352719360

約数和(自身を除く): 137200425

約数列:

[1, 3, 5, 15, 53, 159, 265, 419, 647, 795, 1257, 1941, 2095, 3235, 6285, 9705, 22207, 34291, 66621, 102873, 111035, 171455, 271093, 333105, 514365, 813279, 1355465, 4066395, 14367929, 43103787, 71839645, 215518935]

約数ペア:

[(1, 215518935), (3, 71839645), (5, 43103787), (15, 14367929), (53, 4066395), (159, 1355465), (265, 813279), (419, 514365), (647, 333105), (795, 271093), (1257, 171455), (1941, 111035), (2095, 102873), (3235, 66621), (6285, 34291), (9705, 22207)]