25719759

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 43216992

約数和(自身を除く): 17497233

約数列:

[1, 3, 9, 13, 17, 39, 51, 67, 117, 153, 193, 201, 221, 579, 603, 663, 871, 1139, 1737, 1989, 2509, 2613, 3281, 3417, 7527, 7839, 9843, 10251, 12931, 14807, 22581, 29529, 38793, 42653, 44421, 116379, 127959, 133263, 168103, 219827, 383877, 504309, 659481, 1512927, 1978443, 2857751, 8573253, 25719759]

約数ペア:

[(1, 25719759), (3, 8573253), (9, 2857751), (13, 1978443), (17, 1512927), (39, 659481), (51, 504309), (67, 383877), (117, 219827), (153, 168103), (193, 133263), (201, 127959), (221, 116379), (579, 44421), (603, 42653), (663, 38793), (871, 29529), (1139, 22581), (1737, 14807), (1989, 12931), (2509, 10251), (2613, 9843), (3281, 7839), (3417, 7527)]