31471965

素因数分解:

$3^2\times 5^1\times 7^3\times {\mathrm{2039}}^1$

素因数の和:2071

約数の個数: 48

約数和(自身を含む): 63648000

約数和(自身を除く): 32176035

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 343, 441, 735, 1029, 1715, 2039, 2205, 3087, 5145, 6117, 10195, 14273, 15435, 18351, 30585, 42819, 71365, 91755, 99911, 128457, 214095, 299733, 499555, 642285, 699377, 899199, 1498665, 2098131, 3496885, 4495995, 6294393, 10490655, 31471965]

約数ペア:

[(1, 31471965), (3, 10490655), (5, 6294393), (7, 4495995), (9, 3496885), (15, 2098131), (21, 1498665), (35, 899199), (45, 699377), (49, 642285), (63, 499555), (105, 299733), (147, 214095), (245, 128457), (315, 99911), (343, 91755), (441, 71365), (735, 42819), (1029, 30585), (1715, 18351), (2039, 15435), (2205, 14273), (3087, 10195), (5145, 6117)]