28155375

素因数分解:

$3^2\times 5^3\times {\mathrm{29}}^1\times {\mathrm{863}}^1$

素因数の和:913

約数の個数: 48

約数和(自身を含む): 52565760

約数和(自身を除く): 24410385

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 87, 125, 145, 225, 261, 375, 435, 725, 863, 1125, 1305, 2175, 2589, 3625, 4315, 6525, 7767, 10875, 12945, 21575, 25027, 32625, 38835, 64725, 75081, 107875, 125135, 194175, 225243, 323625, 375405, 625675, 970875, 1126215, 1877025, 3128375, 5631075, 9385125, 28155375]

約数ペア:

[(1, 28155375), (3, 9385125), (5, 5631075), (9, 3128375), (15, 1877025), (25, 1126215), (29, 970875), (45, 625675), (75, 375405), (87, 323625), (125, 225243), (145, 194175), (225, 125135), (261, 107875), (375, 75081), (435, 64725), (725, 38835), (863, 32625), (1125, 25027), (1305, 21575), (2175, 12945), (2589, 10875), (3625, 7767), (4315, 6525)]