72649017

素因数分解:

$3^2\times 7^2\times {\mathrm{257}}^1\times {\mathrm{641}}^1$

素因数の和:918

約数の個数: 36

約数和(自身を含む): 122736276

約数和(自身を除く): 50087259

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 257, 441, 641, 771, 1799, 1923, 2313, 4487, 5397, 5769, 12593, 13461, 16191, 31409, 37779, 40383, 94227, 113337, 164737, 282681, 494211, 1153159, 1482633, 3459477, 8072113, 10378431, 24216339, 72649017]

約数ペア:

[(1, 72649017), (3, 24216339), (7, 10378431), (9, 8072113), (21, 3459477), (49, 1482633), (63, 1153159), (147, 494211), (257, 282681), (441, 164737), (641, 113337), (771, 94227), (1799, 40383), (1923, 37779), (2313, 31409), (4487, 16191), (5397, 13461), (5769, 12593)]