64045545

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251159}}^1$

素因数の和:251184

約数の個数: 16

約数和(自身を含む): 108501120

約数和(自身を除く): 44455575

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 251159, 753477, 1255795, 3767385, 4269703, 12809109, 21348515, 64045545]

約数ペア:

[(1, 64045545), (3, 21348515), (5, 12809109), (15, 4269703), (17, 3767385), (51, 1255795), (85, 753477), (255, 251159)]