1947222783

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{1993}}^1$

素因数の和:2220

約数の個数: 48

約数和(自身を含む): 3135525120

約数和(自身を除く): 1188302337

約数列:

[1, 3, 9, 11, 33, 71, 99, 139, 213, 417, 639, 781, 1251, 1529, 1993, 2343, 4587, 5979, 7029, 9869, 13761, 17937, 21923, 29607, 65769, 88821, 108559, 141503, 197307, 277027, 325677, 424509, 831081, 977031, 1273527, 1556533, 2493243, 3047297, 4669599, 9141891, 14008797, 19668917, 27425673, 59006751, 177020253, 216358087, 649074261, 1947222783]

約数ペア:

[(1, 1947222783), (3, 649074261), (9, 216358087), (11, 177020253), (33, 59006751), (71, 27425673), (99, 19668917), (139, 14008797), (213, 9141891), (417, 4669599), (639, 3047297), (781, 2493243), (1251, 1556533), (1529, 1273527), (1993, 977031), (2343, 831081), (4587, 424509), (5979, 325677), (7029, 277027), (9869, 197307), (13761, 141503), (17937, 108559), (21923, 88821), (29607, 65769)]