320437131

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{1427}}^1$

素因数の和:1508

約数の個数: 48

約数和(自身を含む): 533089536

約数和(自身を除く): 212652405

約数列:

[1, 3, 7, 17, 21, 37, 51, 111, 119, 259, 289, 357, 629, 777, 867, 1427, 1887, 2023, 4281, 4403, 6069, 9989, 10693, 13209, 24259, 29967, 32079, 52799, 72777, 74851, 158397, 169813, 224553, 369593, 412403, 509439, 897583, 1108779, 1237209, 2692749, 2886821, 6283081, 8660463, 15258911, 18849243, 45776733, 106812377, 320437131]

約数ペア:

[(1, 320437131), (3, 106812377), (7, 45776733), (17, 18849243), (21, 15258911), (37, 8660463), (51, 6283081), (111, 2886821), (119, 2692749), (259, 1237209), (289, 1108779), (357, 897583), (629, 509439), (777, 412403), (867, 369593), (1427, 224553), (1887, 169813), (2023, 158397), (4281, 74851), (4403, 72777), (6069, 52799), (9989, 32079), (10693, 29967), (13209, 24259)]