25893903

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 43192320

約数和(自身を除く): 17298417

約数列:

[1, 3, 7, 19, 21, 49, 57, 73, 127, 133, 147, 219, 381, 399, 511, 889, 931, 1387, 1533, 2413, 2667, 2793, 3577, 4161, 6223, 7239, 9271, 9709, 10731, 16891, 18669, 27813, 29127, 50673, 64897, 67963, 118237, 176149, 194691, 203889, 354711, 454279, 528447, 1233043, 1362837, 3699129, 8631301, 25893903]

約数ペア:

[(1, 25893903), (3, 8631301), (7, 3699129), (19, 1362837), (21, 1233043), (49, 528447), (57, 454279), (73, 354711), (127, 203889), (133, 194691), (147, 176149), (219, 118237), (381, 67963), (399, 64897), (511, 50673), (889, 29127), (931, 27813), (1387, 18669), (1533, 16891), (2413, 10731), (2667, 9709), (2793, 9271), (3577, 7239), (4161, 6223)]