81980325

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{52051}}^1$

素因数の和:52074

約数の個数: 36

約数和(自身を含む): 167815648

約数和(自身を除く): 85835323

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 175, 225, 315, 525, 1575, 52051, 156153, 260255, 364357, 468459, 780765, 1093071, 1301275, 1821785, 2342295, 3279213, 3903825, 5465355, 9108925, 11711475, 16396065, 27326775, 81980325]

約数ペア:

[(1, 81980325), (3, 27326775), (5, 16396065), (7, 11711475), (9, 9108925), (15, 5465355), (21, 3903825), (25, 3279213), (35, 2342295), (45, 1821785), (63, 1301275), (75, 1093071), (105, 780765), (175, 468459), (225, 364357), (315, 260255), (525, 156153), (1575, 52051)]