18129225

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{241}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 32408640

約数和(自身を除く): 14279415

約数列:

[1, 3, 5, 15, 17, 25, 51, 59, 75, 85, 177, 241, 255, 295, 425, 723, 885, 1003, 1205, 1275, 1475, 3009, 3615, 4097, 4425, 5015, 6025, 12291, 14219, 15045, 18075, 20485, 25075, 42657, 61455, 71095, 75225, 102425, 213285, 241723, 307275, 355475, 725169, 1066425, 1208615, 3625845, 6043075, 18129225]

約数ペア:

[(1, 18129225), (3, 6043075), (5, 3625845), (15, 1208615), (17, 1066425), (25, 725169), (51, 355475), (59, 307275), (75, 241723), (85, 213285), (177, 102425), (241, 75225), (255, 71095), (295, 61455), (425, 42657), (723, 25075), (885, 20485), (1003, 18075), (1205, 15045), (1275, 14219), (1475, 12291), (3009, 6025), (3615, 5015), (4097, 4425)]