25998525

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{971}}^1$

素因数の和:1011

約数の個数: 72

約数和(自身を含む): 56407104

約数和(自身を除く): 30408579

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 25, 35, 45, 51, 63, 75, 85, 105, 119, 153, 175, 225, 255, 315, 357, 425, 525, 595, 765, 971, 1071, 1275, 1575, 1785, 2913, 2975, 3825, 4855, 5355, 6797, 8739, 8925, 14565, 16507, 20391, 24275, 26775, 33985, 43695, 49521, 61173, 72825, 82535, 101955, 115549, 148563, 169925, 218475, 247605, 305865, 346647, 412675, 509775, 577745, 742815, 1039941, 1238025, 1529325, 1733235, 2888725, 3714075, 5199705, 8666175, 25998525]

約数ペア:

[(1, 25998525), (3, 8666175), (5, 5199705), (7, 3714075), (9, 2888725), (15, 1733235), (17, 1529325), (21, 1238025), (25, 1039941), (35, 742815), (45, 577745), (51, 509775), (63, 412675), (75, 346647), (85, 305865), (105, 247605), (119, 218475), (153, 169925), (175, 148563), (225, 115549), (255, 101955), (315, 82535), (357, 72825), (425, 61173), (525, 49521), (595, 43695), (765, 33985), (971, 26775), (1071, 24275), (1275, 20391), (1575, 16507), (1785, 14565), (2913, 8925), (2975, 8739), (3825, 6797), (4855, 5355)]