2004975

素因数分解:

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

素因数の和:109

約数の個数: 72

約数和(自身を含む): 4384640

約数和(自身を除く): 2379665

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 25, 35, 45, 57, 63, 67, 75, 95, 105, 133, 171, 175, 201, 225, 285, 315, 335, 399, 469, 475, 525, 603, 665, 855, 1005, 1197, 1273, 1407, 1425, 1575, 1675, 1995, 2345, 3015, 3325, 3819, 4221, 4275, 5025, 5985, 6365, 7035, 8911, 9975, 11457, 11725, 15075, 19095, 21105, 26733, 29925, 31825, 35175, 44555, 57285, 80199, 95475, 105525, 133665, 222775, 286425, 400995, 668325, 2004975]

約数ペア:

[(1, 2004975), (3, 668325), (5, 400995), (7, 286425), (9, 222775), (15, 133665), (19, 105525), (21, 95475), (25, 80199), (35, 57285), (45, 44555), (57, 35175), (63, 31825), (67, 29925), (75, 26733), (95, 21105), (105, 19095), (133, 15075), (171, 11725), (175, 11457), (201, 9975), (225, 8911), (285, 7035), (315, 6365), (335, 5985), (399, 5025), (469, 4275), (475, 4221), (525, 3819), (603, 3325), (665, 3015), (855, 2345), (1005, 1995), (1197, 1675), (1273, 1575), (1407, 1425)]