15909201

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{2087}}^1$

素因数の和:2122

約数の個数: 36

約数和(自身を含む): 28881216

約数和(自身を除く): 12972015

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 121, 231, 363, 693, 847, 1089, 2087, 2541, 6261, 7623, 14609, 18783, 22957, 43827, 68871, 131481, 160699, 206613, 252527, 482097, 757581, 1446291, 1767689, 2272743, 5303067, 15909201]

約数ペア:

[(1, 15909201), (3, 5303067), (7, 2272743), (9, 1767689), (11, 1446291), (21, 757581), (33, 482097), (63, 252527), (77, 206613), (99, 160699), (121, 131481), (231, 68871), (363, 43827), (693, 22957), (847, 18783), (1089, 14609), (2087, 7623), (2541, 6261)]