28798275

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{521}}^1$

素因数の和:612

約数の個数: 48

約数和(自身を含む): 52818048

約数和(自身を除く): 24019773

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 67, 75, 165, 201, 275, 335, 521, 737, 825, 1005, 1563, 1675, 2211, 2605, 3685, 5025, 5731, 7815, 11055, 13025, 17193, 18425, 28655, 34907, 39075, 55275, 85965, 104721, 143275, 174535, 383977, 429825, 523605, 872675, 1151931, 1919885, 2618025, 5759655, 9599425, 28798275]

約数ペア:

[(1, 28798275), (3, 9599425), (5, 5759655), (11, 2618025), (15, 1919885), (25, 1151931), (33, 872675), (55, 523605), (67, 429825), (75, 383977), (165, 174535), (201, 143275), (275, 104721), (335, 85965), (521, 55275), (737, 39075), (825, 34907), (1005, 28655), (1563, 18425), (1675, 17193), (2211, 13025), (2605, 11055), (3685, 7815), (5025, 5731)]