13142775

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 23927040

約数和(自身を除く): 10784265

約数列:

[1, 3, 5, 15, 19, 23, 25, 57, 69, 75, 95, 115, 285, 345, 401, 437, 475, 575, 1203, 1311, 1425, 1725, 2005, 2185, 6015, 6555, 7619, 9223, 10025, 10925, 22857, 27669, 30075, 32775, 38095, 46115, 114285, 138345, 175237, 190475, 230575, 525711, 571425, 691725, 876185, 2628555, 4380925, 13142775]

約数ペア:

[(1, 13142775), (3, 4380925), (5, 2628555), (15, 876185), (19, 691725), (23, 571425), (25, 525711), (57, 230575), (69, 190475), (75, 175237), (95, 138345), (115, 114285), (285, 46115), (345, 38095), (401, 32775), (437, 30075), (475, 27669), (575, 22857), (1203, 10925), (1311, 10025), (1425, 9223), (1725, 7619), (2005, 6555), (2185, 6015)]