28170315

素因数分解:

$3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2939}}^1$

素因数の和:3024

約数の個数: 32

約数和(自身を含む): 50803200

約数和(自身を除く): 22632885

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 135, 213, 355, 639, 1065, 1917, 2939, 3195, 8817, 9585, 14695, 26451, 44085, 79353, 132255, 208669, 396765, 626007, 1043345, 1878021, 3130035, 5634063, 9390105, 28170315]

約数ペア:

[(1, 28170315), (3, 9390105), (5, 5634063), (9, 3130035), (15, 1878021), (27, 1043345), (45, 626007), (71, 396765), (135, 208669), (213, 132255), (355, 79353), (639, 44085), (1065, 26451), (1917, 14695), (2939, 9585), (3195, 8817)]