18075825

素因数分解:

$3^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{439}}^1$

素因数の和:519

約数の個数: 48

約数和(自身を含む): 33827200

約数和(自身を除く): 15751375

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 61, 75, 135, 183, 225, 305, 439, 549, 675, 915, 1317, 1525, 1647, 2195, 2745, 3951, 4575, 6585, 8235, 10975, 11853, 13725, 19755, 26779, 32925, 41175, 59265, 80337, 98775, 133895, 241011, 296325, 401685, 669475, 723033, 1205055, 2008425, 3615165, 6025275, 18075825]

約数ペア:

[(1, 18075825), (3, 6025275), (5, 3615165), (9, 2008425), (15, 1205055), (25, 723033), (27, 669475), (45, 401685), (61, 296325), (75, 241011), (135, 133895), (183, 98775), (225, 80337), (305, 59265), (439, 41175), (549, 32925), (675, 26779), (915, 19755), (1317, 13725), (1525, 11853), (1647, 10975), (2195, 8235), (2745, 6585), (3951, 4575)]