53820921

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{359}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 91929600

約数和(自身を除く): 38108679

約数列:

[1, 3, 7, 11, 21, 33, 59, 77, 121, 177, 231, 359, 363, 413, 649, 847, 1077, 1239, 1947, 2513, 2541, 3949, 4543, 7139, 7539, 11847, 13629, 21181, 21417, 27643, 43439, 49973, 63543, 82929, 130317, 148267, 149919, 232991, 304073, 444801, 698973, 912219, 1630937, 2562901, 4892811, 7688703, 17940307, 53820921]

約数ペア:

[(1, 53820921), (3, 17940307), (7, 7688703), (11, 4892811), (21, 2562901), (33, 1630937), (59, 912219), (77, 698973), (121, 444801), (177, 304073), (231, 232991), (359, 149919), (363, 148267), (413, 130317), (649, 82929), (847, 63543), (1077, 49973), (1239, 43439), (1947, 27643), (2513, 21417), (2541, 21181), (3949, 13629), (4543, 11847), (7139, 7539)]