196996905

素因数分解:

$3^2\times 5^1\times 7^3\times {\mathrm{12763}}^1$

素因数の和:12795

約数の個数: 48

約数和(自身を含む): 398236800

約数和(自身を除く): 201239895

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 343, 441, 735, 1029, 1715, 2205, 3087, 5145, 12763, 15435, 38289, 63815, 89341, 114867, 191445, 268023, 446705, 574335, 625387, 804069, 1340115, 1876161, 3126935, 4020345, 4377709, 5628483, 9380805, 13133127, 21888545, 28142415, 39399381, 65665635, 196996905]

約数ペア:

[(1, 196996905), (3, 65665635), (5, 39399381), (7, 28142415), (9, 21888545), (15, 13133127), (21, 9380805), (35, 5628483), (45, 4377709), (49, 4020345), (63, 3126935), (105, 1876161), (147, 1340115), (245, 804069), (315, 625387), (343, 574335), (441, 446705), (735, 268023), (1029, 191445), (1715, 114867), (2205, 89341), (3087, 63815), (5145, 38289), (12763, 15435)]