26821431

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{32749}}^1$

素因数の和:32775

約数の個数: 24

約数和(自身を含む): 47684000

約数和(自身を除く): 20862569

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 32749, 98247, 229243, 294741, 425737, 687729, 1277211, 2063187, 2980159, 3831633, 8940477, 26821431]

約数ペア:

[(1, 26821431), (3, 8940477), (7, 3831633), (9, 2980159), (13, 2063187), (21, 1277211), (39, 687729), (63, 425737), (91, 294741), (117, 229243), (273, 98247), (819, 32749)]