7187985

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1201}}^1$

素因数の和:1238

約数の個数: 48

約数和(自身を含む): 15000960

約数和(自身を除く): 7812975

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 285, 315, 399, 665, 855, 1197, 1201, 1995, 3603, 5985, 6005, 8407, 10809, 18015, 22819, 25221, 42035, 54045, 68457, 75663, 114095, 126105, 159733, 205371, 342285, 378315, 479199, 798665, 1026855, 1437597, 2395995, 7187985]

約数ペア:

[(1, 7187985), (3, 2395995), (5, 1437597), (7, 1026855), (9, 798665), (15, 479199), (19, 378315), (21, 342285), (35, 205371), (45, 159733), (57, 126105), (63, 114095), (95, 75663), (105, 68457), (133, 54045), (171, 42035), (285, 25221), (315, 22819), (399, 18015), (665, 10809), (855, 8407), (1197, 6005), (1201, 5985), (1995, 3603)]