13981905

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{373}}^1$

素因数の和:415

約数の個数: 72

約数和(自身を含む): 29930472

約数和(自身を除く): 15948567

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 49, 51, 63, 85, 105, 119, 147, 153, 245, 255, 315, 357, 373, 441, 595, 735, 765, 833, 1071, 1119, 1785, 1865, 2205, 2499, 2611, 3357, 4165, 5355, 5595, 6341, 7497, 7833, 12495, 13055, 16785, 18277, 19023, 23499, 31705, 37485, 39165, 44387, 54831, 57069, 91385, 95115, 117495, 133161, 164493, 221935, 274155, 285345, 310709, 399483, 665805, 822465, 932127, 1553545, 1997415, 2796381, 4660635, 13981905]

約数ペア:

[(1, 13981905), (3, 4660635), (5, 2796381), (7, 1997415), (9, 1553545), (15, 932127), (17, 822465), (21, 665805), (35, 399483), (45, 310709), (49, 285345), (51, 274155), (63, 221935), (85, 164493), (105, 133161), (119, 117495), (147, 95115), (153, 91385), (245, 57069), (255, 54831), (315, 44387), (357, 39165), (373, 37485), (441, 31705), (595, 23499), (735, 19023), (765, 18277), (833, 16785), (1071, 13055), (1119, 12495), (1785, 7833), (1865, 7497), (2205, 6341), (2499, 5595), (2611, 5355), (3357, 4165)]