16040505

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1913}}^1$

素因数の和:1977

約数の個数: 32

約数和(自身を含む): 28296576

約数和(自身を除く): 12256071

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 129, 195, 215, 559, 645, 1677, 1913, 2795, 5739, 8385, 9565, 24869, 28695, 74607, 82259, 124345, 246777, 373035, 411295, 1069367, 1233885, 3208101, 5346835, 16040505]

約数ペア:

[(1, 16040505), (3, 5346835), (5, 3208101), (13, 1233885), (15, 1069367), (39, 411295), (43, 373035), (65, 246777), (129, 124345), (195, 82259), (215, 74607), (559, 28695), (645, 24869), (1677, 9565), (1913, 8385), (2795, 5739)]