1981392675

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{20753}}^1$

素因数の和:20852

約数の個数: 48

約数和(自身を含む): 3499954560

約数和(自身を除く): 1518561885

約数列:

[1, 3, 5, 15, 19, 25, 57, 67, 75, 95, 201, 285, 335, 475, 1005, 1273, 1425, 1675, 3819, 5025, 6365, 19095, 20753, 31825, 62259, 95475, 103765, 311295, 394307, 518825, 1182921, 1390451, 1556475, 1971535, 4171353, 5914605, 6952255, 9857675, 20856765, 26418569, 29573025, 34761275, 79255707, 104283825, 132092845, 396278535, 660464225, 1981392675]

約数ペア:

[(1, 1981392675), (3, 660464225), (5, 396278535), (15, 132092845), (19, 104283825), (25, 79255707), (57, 34761275), (67, 29573025), (75, 26418569), (95, 20856765), (201, 9857675), (285, 6952255), (335, 5914605), (475, 4171353), (1005, 1971535), (1273, 1556475), (1425, 1390451), (1675, 1182921), (3819, 518825), (5025, 394307), (6365, 311295), (19095, 103765), (20753, 95475), (31825, 62259)]