72817275

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{337}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 125400704

約数和(自身を除く): 52583429

約数列:

[1, 3, 5, 15, 25, 43, 67, 75, 129, 201, 215, 335, 337, 645, 1005, 1011, 1075, 1675, 1685, 2881, 3225, 5025, 5055, 8425, 8643, 14405, 14491, 22579, 25275, 43215, 43473, 67737, 72025, 72455, 112895, 216075, 217365, 338685, 362275, 564475, 970897, 1086825, 1693425, 2912691, 4854485, 14563455, 24272425, 72817275]

約数ペア:

[(1, 72817275), (3, 24272425), (5, 14563455), (15, 4854485), (25, 2912691), (43, 1693425), (67, 1086825), (75, 970897), (129, 564475), (201, 362275), (215, 338685), (335, 217365), (337, 216075), (645, 112895), (1005, 72455), (1011, 72025), (1075, 67737), (1675, 43473), (1685, 43215), (2881, 25275), (3225, 22579), (5025, 14491), (5055, 14405), (8425, 8643)]