51678963

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{661}}^1$

素因数の和:764

約数の個数: 48

約数和(自身を含む): 91705536

約数和(自身を除く): 40026573

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 73, 119, 153, 219, 357, 511, 657, 661, 1071, 1241, 1533, 1983, 3723, 4599, 4627, 5949, 8687, 11169, 11237, 13881, 26061, 33711, 41643, 48253, 78183, 78659, 101133, 144759, 235977, 337771, 434277, 707931, 820301, 1013313, 2460903, 3039939, 5742107, 7382709, 17226321, 51678963]

約数ペア:

[(1, 51678963), (3, 17226321), (7, 7382709), (9, 5742107), (17, 3039939), (21, 2460903), (51, 1013313), (63, 820301), (73, 707931), (119, 434277), (153, 337771), (219, 235977), (357, 144759), (511, 101133), (657, 78659), (661, 78183), (1071, 48253), (1241, 41643), (1533, 33711), (1983, 26061), (3723, 13881), (4599, 11237), (4627, 11169), (5949, 8687)]