64739145

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{253879}}^1$

素因数の和:253904

約数の個数: 16

約数和(自身を含む): 109676160

約数和(自身を除く): 44937015

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 253879, 761637, 1269395, 3808185, 4315943, 12947829, 21579715, 64739145]

約数ペア:

[(1, 64739145), (3, 21579715), (5, 12947829), (15, 4315943), (17, 3808185), (51, 1269395), (85, 761637), (255, 253879)]