81707238

素因数分解:

$2^1\times 3^3\times {\mathrm{53}}^1\times {\mathrm{28549}}^1$

素因数の和:28613

約数の個数: 32

約数和(自身を含む): 185004000

約数和(自身を除く): 103296762

約数列:

[1, 2, 3, 6, 9, 18, 27, 53, 54, 106, 159, 318, 477, 954, 1431, 2862, 28549, 57098, 85647, 171294, 256941, 513882, 770823, 1513097, 1541646, 3026194, 4539291, 9078582, 13617873, 27235746, 40853619, 81707238]

約数ペア:

[(1, 81707238), (2, 40853619), (3, 27235746), (6, 13617873), (9, 9078582), (18, 4539291), (27, 3026194), (53, 1541646), (54, 1513097), (106, 770823), (159, 513882), (318, 256941), (477, 171294), (954, 85647), (1431, 57098), (2862, 28549)]