261623562021

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{887}}^1\times {\mathrm{11423}}^1$

素因数の和:12486

約数の個数: 48

約数和(自身を含む): 400911114240

約数和(自身を除く): 139287552219

約数列:

[1, 3, 9, 19, 57, 151, 171, 453, 887, 1359, 2661, 2869, 7983, 8607, 11423, 16853, 25821, 34269, 50559, 102807, 133937, 151677, 217037, 401811, 651111, 1205433, 1724873, 1953333, 2544803, 5174619, 7634409, 10132201, 15523857, 22903227, 30396603, 32772587, 91189809, 98317761, 192511819, 294953283, 577535457, 1529962351, 1732606371, 4589887053, 13769661159, 29069284669, 87207854007, 261623562021]

約数ペア:

[(1, 261623562021), (3, 87207854007), (9, 29069284669), (19, 13769661159), (57, 4589887053), (151, 1732606371), (171, 1529962351), (453, 577535457), (887, 294953283), (1359, 192511819), (2661, 98317761), (2869, 91189809), (7983, 32772587), (8607, 30396603), (11423, 22903227), (16853, 15523857), (25821, 10132201), (34269, 7634409), (50559, 5174619), (102807, 2544803), (133937, 1953333), (151677, 1724873), (217037, 1205433), (401811, 651111)]