51619275

素因数分解:

$3^5\times 5^2\times {\mathrm{29}}^1\times {\mathrm{293}}^1$

素因数の和:347

約数の個数: 72

約数和(自身を含む): 99524880

約数和(自身を除く): 47905605

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 45, 75, 81, 87, 135, 145, 225, 243, 261, 293, 405, 435, 675, 725, 783, 879, 1215, 1305, 1465, 2025, 2175, 2349, 2637, 3915, 4395, 6075, 6525, 7047, 7325, 7911, 8497, 11745, 13185, 19575, 21975, 23733, 25491, 35235, 39555, 42485, 58725, 65925, 71199, 76473, 118665, 127455, 176175, 197775, 212425, 229419, 355995, 382365, 593325, 637275, 688257, 1147095, 1779975, 1911825, 2064771, 3441285, 5735475, 10323855, 17206425, 51619275]

約数ペア:

[(1, 51619275), (3, 17206425), (5, 10323855), (9, 5735475), (15, 3441285), (25, 2064771), (27, 1911825), (29, 1779975), (45, 1147095), (75, 688257), (81, 637275), (87, 593325), (135, 382365), (145, 355995), (225, 229419), (243, 212425), (261, 197775), (293, 176175), (405, 127455), (435, 118665), (675, 76473), (725, 71199), (783, 65925), (879, 58725), (1215, 42485), (1305, 39555), (1465, 35235), (2025, 25491), (2175, 23733), (2349, 21975), (2637, 19575), (3915, 13185), (4395, 11745), (6075, 8497), (6525, 7911), (7047, 7325)]