25545975

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:249

約数の個数: 96

約数和(自身を含む): 54996480

約数和(自身を除く): 29450505

約数列:

[1, 3, 5, 7, 13, 15, 19, 21, 25, 35, 39, 57, 65, 75, 91, 95, 105, 133, 175, 195, 197, 247, 273, 285, 325, 399, 455, 475, 525, 591, 665, 741, 975, 985, 1235, 1365, 1379, 1425, 1729, 1995, 2275, 2561, 2955, 3325, 3705, 3743, 4137, 4925, 5187, 6175, 6825, 6895, 7683, 8645, 9975, 11229, 12805, 14775, 17927, 18525, 18715, 20685, 25935, 26201, 34475, 38415, 43225, 48659, 53781, 56145, 64025, 78603, 89635, 93575, 103425, 129675, 131005, 145977, 192075, 243295, 268905, 280725, 340613, 393015, 448175, 655025, 729885, 1021839, 1216475, 1344525, 1703065, 1965075, 3649425, 5109195, 8515325, 25545975]

約数ペア:

[(1, 25545975), (3, 8515325), (5, 5109195), (7, 3649425), (13, 1965075), (15, 1703065), (19, 1344525), (21, 1216475), (25, 1021839), (35, 729885), (39, 655025), (57, 448175), (65, 393015), (75, 340613), (91, 280725), (95, 268905), (105, 243295), (133, 192075), (175, 145977), (195, 131005), (197, 129675), (247, 103425), (273, 93575), (285, 89635), (325, 78603), (399, 64025), (455, 56145), (475, 53781), (525, 48659), (591, 43225), (665, 38415), (741, 34475), (975, 26201), (985, 25935), (1235, 20685), (1365, 18715), (1379, 18525), (1425, 17927), (1729, 14775), (1995, 12805), (2275, 11229), (2561, 9975), (2955, 8645), (3325, 7683), (3705, 6895), (3743, 6825), (4137, 6175), (4925, 5187)]