668325

素因数分解:

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

素因数の和:106

約数の個数: 48

約数和(自身を含む): 1349120

約数和(自身を除く): 680795

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 67, 75, 95, 105, 133, 175, 201, 285, 335, 399, 469, 475, 525, 665, 1005, 1273, 1407, 1425, 1675, 1995, 2345, 3325, 3819, 5025, 6365, 7035, 8911, 9975, 11725, 19095, 26733, 31825, 35175, 44555, 95475, 133665, 222775, 668325]

約数ペア:

[(1, 668325), (3, 222775), (5, 133665), (7, 95475), (15, 44555), (19, 35175), (21, 31825), (25, 26733), (35, 19095), (57, 11725), (67, 9975), (75, 8911), (95, 7035), (105, 6365), (133, 5025), (175, 3819), (201, 3325), (285, 2345), (335, 1995), (399, 1675), (469, 1425), (475, 1407), (525, 1273), (665, 1005)]