28333275

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{337}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 50294400

約数和(自身を除く): 21961125

約数列:

[1, 3, 5, 15, 19, 25, 57, 59, 75, 95, 177, 285, 295, 337, 475, 885, 1011, 1121, 1425, 1475, 1685, 3363, 4425, 5055, 5605, 6403, 8425, 16815, 19209, 19883, 25275, 28025, 32015, 59649, 84075, 96045, 99415, 160075, 298245, 377777, 480225, 497075, 1133331, 1491225, 1888885, 5666655, 9444425, 28333275]

約数ペア:

[(1, 28333275), (3, 9444425), (5, 5666655), (15, 1888885), (19, 1491225), (25, 1133331), (57, 497075), (59, 480225), (75, 377777), (95, 298245), (177, 160075), (285, 99415), (295, 96045), (337, 84075), (475, 59649), (885, 32015), (1011, 28025), (1121, 25275), (1425, 19883), (1475, 19209), (1685, 16815), (3363, 8425), (4425, 6403), (5055, 5605)]