217872945

素因数分解:

$3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{569}}^1$

素因数の和:774

約数の個数: 48

約数和(自身を含む): 386979840

約数和(自身を除く): 169106895

約数列:

[1, 3, 5, 9, 15, 45, 67, 127, 201, 335, 381, 569, 603, 635, 1005, 1143, 1707, 1905, 2845, 3015, 5121, 5715, 8509, 8535, 25527, 25605, 38123, 42545, 72263, 76581, 114369, 127635, 190615, 216789, 343107, 361315, 382905, 571845, 650367, 1083945, 1715535, 3251835, 4841621, 14524863, 24208105, 43574589, 72624315, 217872945]

約数ペア:

[(1, 217872945), (3, 72624315), (5, 43574589), (9, 24208105), (15, 14524863), (45, 4841621), (67, 3251835), (127, 1715535), (201, 1083945), (335, 650367), (381, 571845), (569, 382905), (603, 361315), (635, 343107), (1005, 216789), (1143, 190615), (1707, 127635), (1905, 114369), (2845, 76581), (3015, 72263), (5121, 42545), (5715, 38123), (8509, 25605), (8535, 25527)]