28250775

素因数分解:

$3^4\times 5^2\times 7^1\times {\mathrm{1993}}^1$

素因数の和:2022

約数の個数: 60

約数和(自身を含む): 59835952

約数和(自身を除く): 31585177

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 81, 105, 135, 175, 189, 225, 315, 405, 525, 567, 675, 945, 1575, 1993, 2025, 2835, 4725, 5979, 9965, 13951, 14175, 17937, 29895, 41853, 49825, 53811, 69755, 89685, 125559, 149475, 161433, 209265, 269055, 348775, 376677, 448425, 627795, 807165, 1046325, 1130031, 1345275, 1883385, 3138975, 4035825, 5650155, 9416925, 28250775]

約数ペア:

[(1, 28250775), (3, 9416925), (5, 5650155), (7, 4035825), (9, 3138975), (15, 1883385), (21, 1345275), (25, 1130031), (27, 1046325), (35, 807165), (45, 627795), (63, 448425), (75, 376677), (81, 348775), (105, 269055), (135, 209265), (175, 161433), (189, 149475), (225, 125559), (315, 89685), (405, 69755), (525, 53811), (567, 49825), (675, 41853), (945, 29895), (1575, 17937), (1993, 14175), (2025, 13951), (2835, 9965), (4725, 5979)]