331279425

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{337}}^1$

素因数の和:627

約数の個数: 72

約数和(自身を含む): 632577816

約数和(自身を除く): 301298391

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 257, 337, 425, 765, 771, 1011, 1275, 1285, 1685, 2313, 3033, 3825, 3855, 4369, 5055, 5729, 6425, 8425, 11565, 13107, 15165, 17187, 19275, 21845, 25275, 28645, 39321, 51561, 57825, 65535, 75825, 85935, 86609, 109225, 143225, 196605, 257805, 259827, 327675, 429675, 433045, 779481, 983025, 1289025, 1299135, 1472353, 2165225, 3897405, 4417059, 6495675, 7361765, 13251177, 19487025, 22085295, 36808825, 66255885, 110426475, 331279425]

約数ペア:

[(1, 331279425), (3, 110426475), (5, 66255885), (9, 36808825), (15, 22085295), (17, 19487025), (25, 13251177), (45, 7361765), (51, 6495675), (75, 4417059), (85, 3897405), (153, 2165225), (225, 1472353), (255, 1299135), (257, 1289025), (337, 983025), (425, 779481), (765, 433045), (771, 429675), (1011, 327675), (1275, 259827), (1285, 257805), (1685, 196605), (2313, 143225), (3033, 109225), (3825, 86609), (3855, 85935), (4369, 75825), (5055, 65535), (5729, 57825), (6425, 51561), (8425, 39321), (11565, 28645), (13107, 25275), (15165, 21845), (17187, 19275)]