1640748081

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{409}}^1\times {\mathrm{661}}^1$

素因数の和:1114

約数の個数: 48

約数和(自身を含む): 2666430080

約数和(自身を除く): 1025681999

約数列:

[1, 3, 7, 17, 21, 51, 119, 289, 357, 409, 661, 867, 1227, 1983, 2023, 2863, 4627, 6069, 6953, 8589, 11237, 13881, 20859, 33711, 48671, 78659, 118201, 146013, 191029, 235977, 270349, 354603, 573087, 811047, 827407, 1337203, 1892443, 2482221, 4011609, 4595933, 5677329, 13787799, 32171531, 78130861, 96514593, 234392583, 546916027, 1640748081]

約数ペア:

[(1, 1640748081), (3, 546916027), (7, 234392583), (17, 96514593), (21, 78130861), (51, 32171531), (119, 13787799), (289, 5677329), (357, 4595933), (409, 4011609), (661, 2482221), (867, 1892443), (1227, 1337203), (1983, 827407), (2023, 811047), (2863, 573087), (4627, 354603), (6069, 270349), (6953, 235977), (8589, 191029), (11237, 146013), (13881, 118201), (20859, 78659), (33711, 48671)]