25461855

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 46332000

約数和(自身を除く): 20870145

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 109, 145, 179, 261, 327, 435, 537, 545, 895, 981, 1305, 1611, 1635, 2685, 3161, 4905, 5191, 8055, 9483, 15573, 15805, 19511, 25955, 28449, 46719, 47415, 58533, 77865, 97555, 142245, 175599, 233595, 292665, 565819, 877995, 1697457, 2829095, 5092371, 8487285, 25461855]

約数ペア:

[(1, 25461855), (3, 8487285), (5, 5092371), (9, 2829095), (15, 1697457), (29, 877995), (45, 565819), (87, 292665), (109, 233595), (145, 175599), (179, 142245), (261, 97555), (327, 77865), (435, 58533), (537, 47415), (545, 46719), (895, 28449), (981, 25955), (1305, 19511), (1611, 15805), (1635, 15573), (2685, 9483), (3161, 8055), (4905, 5191)]