28755075

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1187}}^1$

素因数の和:1236

約数の個数: 48

約数和(自身を含む): 53032320

約数和(自身を除く): 24277245

約数列:

[1, 3, 5, 15, 17, 19, 25, 51, 57, 75, 85, 95, 255, 285, 323, 425, 475, 969, 1187, 1275, 1425, 1615, 3561, 4845, 5935, 8075, 17805, 20179, 22553, 24225, 29675, 60537, 67659, 89025, 100895, 112765, 302685, 338295, 383401, 504475, 563825, 1150203, 1513425, 1691475, 1917005, 5751015, 9585025, 28755075]

約数ペア:

[(1, 28755075), (3, 9585025), (5, 5751015), (15, 1917005), (17, 1691475), (19, 1513425), (25, 1150203), (51, 563825), (57, 504475), (75, 383401), (85, 338295), (95, 302685), (255, 112765), (285, 100895), (323, 89025), (425, 67659), (475, 60537), (969, 29675), (1187, 24225), (1275, 22553), (1425, 20179), (1615, 17805), (3561, 8075), (4845, 5935)]