31330875

素因数分解:

$3^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:157

約数の個数: 64

約数和(自身を含む): 56010240

約数和(自身を除く): 24679365

約数列:

[1, 3, 5, 15, 25, 29, 43, 67, 75, 87, 125, 129, 145, 201, 215, 335, 375, 435, 645, 725, 1005, 1075, 1247, 1675, 1943, 2175, 2881, 3225, 3625, 3741, 5025, 5375, 5829, 6235, 8375, 8643, 9715, 10875, 14405, 16125, 18705, 25125, 29145, 31175, 43215, 48575, 72025, 83549, 93525, 145725, 155875, 216075, 242875, 250647, 360125, 417745, 467625, 728625, 1080375, 1253235, 2088725, 6266175, 10443625, 31330875]

約数ペア:

[(1, 31330875), (3, 10443625), (5, 6266175), (15, 2088725), (25, 1253235), (29, 1080375), (43, 728625), (67, 467625), (75, 417745), (87, 360125), (125, 250647), (129, 242875), (145, 216075), (201, 155875), (215, 145725), (335, 93525), (375, 83549), (435, 72025), (645, 48575), (725, 43215), (1005, 31175), (1075, 29145), (1247, 25125), (1675, 18705), (1943, 16125), (2175, 14405), (2881, 10875), (3225, 9715), (3625, 8643), (3741, 8375), (5025, 6235), (5375, 5829)]