397996893

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{967}}^1$

素因数の和:1166

約数の個数: 48

約数和(自身を含む): 676515840

約数和(自身を除く): 278518947

約数列:

[1, 3, 7, 9, 21, 47, 63, 139, 141, 329, 417, 423, 967, 973, 987, 1251, 2901, 2919, 2961, 6533, 6769, 8703, 8757, 19599, 20307, 45449, 45731, 58797, 60921, 134413, 136347, 137193, 318143, 403239, 409041, 411579, 940891, 954429, 1209717, 2822673, 2863287, 6317411, 8468019, 18952233, 44221877, 56856699, 132665631, 397996893]

約数ペア:

[(1, 397996893), (3, 132665631), (7, 56856699), (9, 44221877), (21, 18952233), (47, 8468019), (63, 6317411), (139, 2863287), (141, 2822673), (329, 1209717), (417, 954429), (423, 940891), (967, 411579), (973, 409041), (987, 403239), (1251, 318143), (2901, 137193), (2919, 136347), (2961, 134413), (6533, 60921), (6769, 58797), (8703, 45731), (8757, 45449), (19599, 20307)]