16720695

素因数分解:

$3^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{587}}^1$

素因数の和:812

約数の個数: 32

約数和(自身を含む): 29917440

約数和(自身を除く): 13196745

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 211, 587, 633, 1055, 1761, 1899, 2935, 3165, 5283, 5697, 8805, 9495, 15849, 26415, 28485, 79245, 123857, 371571, 619285, 1114713, 1857855, 3344139, 5573565, 16720695]

約数ペア:

[(1, 16720695), (3, 5573565), (5, 3344139), (9, 1857855), (15, 1114713), (27, 619285), (45, 371571), (135, 123857), (211, 79245), (587, 28485), (633, 26415), (1055, 15849), (1761, 9495), (1899, 8805), (2935, 5697), (3165, 5283)]