215545671

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{38197}}^1$

素因数の和:38236

約数の個数: 32

約数和(自身を含む): 366700800

約数和(自身を除く): 151155129

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 99, 171, 209, 297, 513, 627, 1881, 5643, 38197, 114591, 343773, 420167, 725743, 1031319, 1260501, 2177229, 3781503, 6531687, 7983173, 11344509, 19595061, 23949519, 71848557, 215545671]

約数ペア:

[(1, 215545671), (3, 71848557), (9, 23949519), (11, 19595061), (19, 11344509), (27, 7983173), (33, 6531687), (57, 3781503), (99, 2177229), (171, 1260501), (209, 1031319), (297, 725743), (513, 420167), (627, 343773), (1881, 114591), (5643, 38197)]