49985865

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{181}}^1$

素因数の和:247

約数の個数: 72

約数和(自身を含む): 97356168

約数和(自身を除く): 47370303

約数列:

[1, 3, 5, 9, 15, 17, 19, 45, 51, 57, 85, 95, 153, 171, 181, 255, 285, 323, 361, 543, 765, 855, 905, 969, 1083, 1615, 1629, 1805, 2715, 2907, 3077, 3249, 3439, 4845, 5415, 6137, 8145, 9231, 10317, 14535, 15385, 16245, 17195, 18411, 27693, 30685, 30951, 46155, 51585, 55233, 58463, 65341, 92055, 138465, 154755, 175389, 196023, 276165, 292315, 326705, 526167, 588069, 876945, 980115, 1110797, 2630835, 2940345, 3332391, 5553985, 9997173, 16661955, 49985865]

約数ペア:

[(1, 49985865), (3, 16661955), (5, 9997173), (9, 5553985), (15, 3332391), (17, 2940345), (19, 2630835), (45, 1110797), (51, 980115), (57, 876945), (85, 588069), (95, 526167), (153, 326705), (171, 292315), (181, 276165), (255, 196023), (285, 175389), (323, 154755), (361, 138465), (543, 92055), (765, 65341), (855, 58463), (905, 55233), (969, 51585), (1083, 46155), (1615, 30951), (1629, 30685), (1805, 27693), (2715, 18411), (2907, 17195), (3077, 16245), (3249, 15385), (3439, 14535), (4845, 10317), (5415, 9231), (6137, 8145)]