11917731

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 20684160

約数和(自身を除く): 8766429

約数列:

[1, 3, 7, 17, 19, 21, 49, 51, 57, 119, 133, 147, 251, 323, 357, 399, 753, 833, 931, 969, 1757, 2261, 2499, 2793, 4267, 4769, 5271, 6783, 12299, 12801, 14307, 15827, 29869, 33383, 36897, 47481, 81073, 89607, 100149, 209083, 233681, 243219, 567511, 627249, 701043, 1702533, 3972577, 11917731]

約数ペア:

[(1, 11917731), (3, 3972577), (7, 1702533), (17, 701043), (19, 627249), (21, 567511), (49, 243219), (51, 233681), (57, 209083), (119, 100149), (133, 89607), (147, 81073), (251, 47481), (323, 36897), (357, 33383), (399, 29869), (753, 15827), (833, 14307), (931, 12801), (969, 12299), (1757, 6783), (2261, 5271), (2499, 4769), (2793, 4267)]