253399095

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1\times {\mathrm{587}}^1$

素因数の和:832

約数の個数: 48

約数和(自身を含む): 450751392

約数和(自身を除く): 197352297

約数列:

[1, 3, 5, 9, 15, 45, 53, 159, 181, 265, 477, 543, 587, 795, 905, 1629, 1761, 2385, 2715, 2935, 5283, 8145, 8805, 9593, 26415, 28779, 31111, 47965, 86337, 93333, 106247, 143895, 155555, 279999, 318741, 431685, 466665, 531235, 956223, 1399995, 1593705, 4781115, 5631091, 16893273, 28155455, 50679819, 84466365, 253399095]

約数ペア:

[(1, 253399095), (3, 84466365), (5, 50679819), (9, 28155455), (15, 16893273), (45, 5631091), (53, 4781115), (159, 1593705), (181, 1399995), (265, 956223), (477, 531235), (543, 466665), (587, 431685), (795, 318741), (905, 279999), (1629, 155555), (1761, 143895), (2385, 106247), (2715, 93333), (2935, 86337), (5283, 47965), (8145, 31111), (8805, 28779), (9593, 26415)]