16117965

素因数分解:

$3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1427}}^1$

素因数の和:1689

約数の個数: 24

約数和(自身を含む): 28068768

約数和(自身を除く): 11950803

約数列:

[1, 3, 5, 9, 15, 45, 251, 753, 1255, 1427, 2259, 3765, 4281, 7135, 11295, 12843, 21405, 64215, 358177, 1074531, 1790885, 3223593, 5372655, 16117965]

約数ペア:

[(1, 16117965), (3, 5372655), (5, 3223593), (9, 1790885), (15, 1074531), (45, 358177), (251, 64215), (753, 21405), (1255, 12843), (1427, 11295), (2259, 7135), (3765, 4281)]