25574475

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 45175680

約数和(自身を除く): 19601205

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 131, 137, 285, 393, 411, 475, 655, 685, 1425, 1965, 2055, 2489, 2603, 3275, 3425, 7467, 7809, 9825, 10275, 12445, 13015, 17947, 37335, 39045, 53841, 62225, 65075, 89735, 186675, 195225, 269205, 340993, 448675, 1022979, 1346025, 1704965, 5114895, 8524825, 25574475]

約数ペア:

[(1, 25574475), (3, 8524825), (5, 5114895), (15, 1704965), (19, 1346025), (25, 1022979), (57, 448675), (75, 340993), (95, 269205), (131, 195225), (137, 186675), (285, 89735), (393, 65075), (411, 62225), (475, 53841), (655, 39045), (685, 37335), (1425, 17947), (1965, 13015), (2055, 12445), (2489, 10275), (2603, 9825), (3275, 7809), (3425, 7467)]