12897339

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 22867488

約数和(自身を除く): 9970149

約数列:

[1, 3, 7, 13, 17, 21, 39, 49, 51, 91, 119, 147, 221, 273, 357, 397, 637, 663, 833, 1191, 1547, 1911, 2499, 2779, 4641, 5161, 6749, 8337, 10829, 15483, 19453, 20247, 32487, 36127, 47243, 58359, 87737, 108381, 141729, 252889, 263211, 330701, 614159, 758667, 992103, 1842477, 4299113, 12897339]

約数ペア:

[(1, 12897339), (3, 4299113), (7, 1842477), (13, 992103), (17, 758667), (21, 614159), (39, 330701), (49, 263211), (51, 252889), (91, 141729), (119, 108381), (147, 87737), (221, 58359), (273, 47243), (357, 36127), (397, 32487), (637, 20247), (663, 19453), (833, 15483), (1191, 10829), (1547, 8337), (1911, 6749), (2499, 5161), (2779, 4641)]