87298725

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{193}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 149916992

約数和(自身を除く): 62618267

約数列:

[1, 3, 5, 15, 25, 37, 75, 111, 163, 185, 193, 489, 555, 579, 815, 925, 965, 2445, 2775, 2895, 4075, 4825, 6031, 7141, 12225, 14475, 18093, 21423, 30155, 31459, 35705, 90465, 94377, 107115, 150775, 157295, 178525, 452325, 471885, 535575, 786475, 1163983, 2359425, 3491949, 5819915, 17459745, 29099575, 87298725]

約数ペア:

[(1, 87298725), (3, 29099575), (5, 17459745), (15, 5819915), (25, 3491949), (37, 2359425), (75, 1163983), (111, 786475), (163, 535575), (185, 471885), (193, 452325), (489, 178525), (555, 157295), (579, 150775), (815, 107115), (925, 94377), (965, 90465), (2445, 35705), (2775, 31459), (2895, 30155), (4075, 21423), (4825, 18093), (6031, 14475), (7141, 12225)]