66945075

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{431}}^1$

素因数の和:572

約数の個数: 48

約数和(自身を含む): 117849600

約数和(自身を除く): 50904525

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 109, 285, 327, 431, 475, 545, 1293, 1425, 1635, 2071, 2155, 2725, 6213, 6465, 8175, 8189, 10355, 10775, 24567, 31065, 32325, 40945, 46979, 51775, 122835, 140937, 155325, 204725, 234895, 614175, 704685, 892601, 1174475, 2677803, 3523425, 4463005, 13389015, 22315025, 66945075]

約数ペア:

[(1, 66945075), (3, 22315025), (5, 13389015), (15, 4463005), (19, 3523425), (25, 2677803), (57, 1174475), (75, 892601), (95, 704685), (109, 614175), (285, 234895), (327, 204725), (431, 155325), (475, 140937), (545, 122835), (1293, 51775), (1425, 46979), (1635, 40945), (2071, 32325), (2155, 31065), (2725, 24567), (6213, 10775), (6465, 10355), (8175, 8189)]