25102539

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 47305440

約数和(自身を除く): 22202901

約数列:

[1, 3, 7, 9, 11, 21, 33, 37, 63, 77, 89, 99, 111, 121, 231, 259, 267, 333, 363, 407, 623, 693, 777, 801, 847, 979, 1089, 1221, 1869, 2331, 2541, 2849, 2937, 3293, 3663, 4477, 5607, 6853, 7623, 8547, 8811, 9879, 10769, 13431, 20559, 23051, 25641, 29637, 31339, 32307, 36223, 40293, 61677, 69153, 75383, 94017, 96921, 108669, 207459, 226149, 253561, 282051, 326007, 398453, 678447, 760683, 1195359, 2282049, 2789171, 3586077, 8367513, 25102539]

約数ペア:

[(1, 25102539), (3, 8367513), (7, 3586077), (9, 2789171), (11, 2282049), (21, 1195359), (33, 760683), (37, 678447), (63, 398453), (77, 326007), (89, 282051), (99, 253561), (111, 226149), (121, 207459), (231, 108669), (259, 96921), (267, 94017), (333, 75383), (363, 69153), (407, 61677), (623, 40293), (693, 36223), (777, 32307), (801, 31339), (847, 29637), (979, 25641), (1089, 23051), (1221, 20559), (1869, 13431), (2331, 10769), (2541, 9879), (2849, 8811), (2937, 8547), (3293, 7623), (3663, 6853), (4477, 5607)]