2471805

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:103

約数の個数: 72

約数和(自身を含む): 5335200

約数和(自身を除く): 2863395

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 49, 57, 59, 63, 95, 105, 133, 147, 171, 177, 245, 285, 295, 315, 399, 413, 441, 531, 665, 735, 855, 885, 931, 1121, 1197, 1239, 1995, 2065, 2205, 2655, 2793, 2891, 3363, 3717, 4655, 5605, 5985, 6195, 7847, 8379, 8673, 10089, 13965, 14455, 16815, 18585, 23541, 26019, 39235, 41895, 43365, 50445, 54929, 70623, 117705, 130095, 164787, 274645, 353115, 494361, 823935, 2471805]

約数ペア:

[(1, 2471805), (3, 823935), (5, 494361), (7, 353115), (9, 274645), (15, 164787), (19, 130095), (21, 117705), (35, 70623), (45, 54929), (49, 50445), (57, 43365), (59, 41895), (63, 39235), (95, 26019), (105, 23541), (133, 18585), (147, 16815), (171, 14455), (177, 13965), (245, 10089), (285, 8673), (295, 8379), (315, 7847), (399, 6195), (413, 5985), (441, 5605), (531, 4655), (665, 3717), (735, 3363), (855, 2891), (885, 2793), (931, 2655), (1121, 2205), (1197, 2065), (1239, 1995)]