400995

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1$

素因数の和:104

約数の個数: 48

約数和(自身を含む): 848640

約数和(自身を除く): 447645

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 67, 95, 105, 133, 171, 201, 285, 315, 335, 399, 469, 603, 665, 855, 1005, 1197, 1273, 1407, 1995, 2345, 3015, 3819, 4221, 5985, 6365, 7035, 8911, 11457, 19095, 21105, 26733, 44555, 57285, 80199, 133665, 400995]

約数ペア:

[(1, 400995), (3, 133665), (5, 80199), (7, 57285), (9, 44555), (15, 26733), (19, 21105), (21, 19095), (35, 11457), (45, 8911), (57, 7035), (63, 6365), (67, 5985), (95, 4221), (105, 3819), (133, 3015), (171, 2345), (201, 1995), (285, 1407), (315, 1273), (335, 1197), (399, 1005), (469, 855), (603, 665)]