64418247

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{16921}}^1$

素因数の和:16980

約数の個数: 20

約数和(自身を含む): 98282976

約数和(自身を除く): 33864729

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 16921, 50763, 152289, 456867, 795287, 1370601, 2385861, 7157583, 21472749, 64418247]

約数ペア:

[(1, 64418247), (3, 21472749), (9, 7157583), (27, 2385861), (47, 1370601), (81, 795287), (141, 456867), (423, 152289), (1269, 50763), (3807, 16921)]