28259175

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2833}}^1$

素因数の和:2872

約数の個数: 48

約数和(自身を含む): 56226560

約数和(自身を除く): 27967385

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 133, 175, 285, 399, 475, 525, 665, 1425, 1995, 2833, 3325, 8499, 9975, 14165, 19831, 42495, 53827, 59493, 70825, 99155, 161481, 212475, 269135, 297465, 376789, 495775, 807405, 1130367, 1345675, 1487325, 1883945, 4037025, 5651835, 9419725, 28259175]

約数ペア:

[(1, 28259175), (3, 9419725), (5, 5651835), (7, 4037025), (15, 1883945), (19, 1487325), (21, 1345675), (25, 1130367), (35, 807405), (57, 495775), (75, 376789), (95, 297465), (105, 269135), (133, 212475), (175, 161481), (285, 99155), (399, 70825), (475, 59493), (525, 53827), (665, 42495), (1425, 19831), (1995, 14165), (2833, 9975), (3325, 8499)]