728739

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{433}}^1$

素因数の和:467

約数の個数: 24

約数和(自身を含む): 1218672

約数和(自身を除く): 489933

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 433, 561, 1299, 1683, 3897, 4763, 7361, 14289, 22083, 42867, 66249, 80971, 242913, 728739]

約数ペア:

[(1, 728739), (3, 242913), (9, 80971), (11, 66249), (17, 42867), (33, 22083), (51, 14289), (99, 7361), (153, 4763), (187, 3897), (433, 1683), (561, 1299)]