47281725

素因数分解:

$3^5\times 5^2\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:249

約数の個数: 72

約数和(自身を含む): 90362272

約数和(自身を除く): 43080547

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 75, 81, 129, 135, 181, 215, 225, 243, 387, 405, 543, 645, 675, 905, 1075, 1161, 1215, 1629, 1935, 2025, 2715, 3225, 3483, 4525, 4887, 5805, 6075, 7783, 8145, 9675, 10449, 13575, 14661, 17415, 23349, 24435, 29025, 38915, 40725, 43983, 52245, 70047, 73305, 87075, 116745, 122175, 194575, 210141, 219915, 261225, 350235, 366525, 583725, 630423, 1050705, 1099575, 1751175, 1891269, 3152115, 5253525, 9456345, 15760575, 47281725]

約数ペア:

[(1, 47281725), (3, 15760575), (5, 9456345), (9, 5253525), (15, 3152115), (25, 1891269), (27, 1751175), (43, 1099575), (45, 1050705), (75, 630423), (81, 583725), (129, 366525), (135, 350235), (181, 261225), (215, 219915), (225, 210141), (243, 194575), (387, 122175), (405, 116745), (543, 87075), (645, 73305), (675, 70047), (905, 52245), (1075, 43983), (1161, 40725), (1215, 38915), (1629, 29025), (1935, 24435), (2025, 23349), (2715, 17415), (3225, 14661), (3483, 13575), (4525, 10449), (4887, 9675), (5805, 8145), (6075, 7783)]