28663305

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:302

約数の個数: 64

約数和(自身を含む): 54190080

約数和(自身を除く): 25526775

約数列:

[1, 3, 5, 11, 15, 19, 33, 41, 55, 57, 95, 123, 165, 205, 209, 223, 285, 451, 615, 627, 669, 779, 1045, 1115, 1353, 2255, 2337, 2453, 3135, 3345, 3895, 4237, 6765, 7359, 8569, 9143, 11685, 12265, 12711, 21185, 25707, 27429, 36795, 42845, 45715, 46607, 63555, 100573, 128535, 137145, 139821, 173717, 233035, 301719, 502865, 521151, 699105, 868585, 1508595, 1910887, 2605755, 5732661, 9554435, 28663305]

約数ペア:

[(1, 28663305), (3, 9554435), (5, 5732661), (11, 2605755), (15, 1910887), (19, 1508595), (33, 868585), (41, 699105), (55, 521151), (57, 502865), (95, 301719), (123, 233035), (165, 173717), (205, 139821), (209, 137145), (223, 128535), (285, 100573), (451, 63555), (615, 46607), (627, 45715), (669, 42845), (779, 36795), (1045, 27429), (1115, 25707), (1353, 21185), (2255, 12711), (2337, 12265), (2453, 11685), (3135, 9143), (3345, 8569), (3895, 7359), (4237, 6765)]