215196318

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{209743}}^1$

素因数の和:209773

約数の個数: 32

約数和(自身を含む): 503385600

約数和(自身を除く): 288189282

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 342, 513, 1026, 209743, 419486, 629229, 1258458, 1887687, 3775374, 3985117, 5663061, 7970234, 11326122, 11955351, 23910702, 35866053, 71732106, 107598159, 215196318]

約数ペア:

[(1, 215196318), (2, 107598159), (3, 71732106), (6, 35866053), (9, 23910702), (18, 11955351), (19, 11326122), (27, 7970234), (38, 5663061), (54, 3985117), (57, 3775374), (114, 1887687), (171, 1258458), (342, 629229), (513, 419486), (1026, 209743)]