1905225

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 3809280

約数和(自身を除く): 1904055

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 133, 175, 191, 285, 399, 475, 525, 573, 665, 955, 1337, 1425, 1995, 2865, 3325, 3629, 4011, 4775, 6685, 9975, 10887, 14325, 18145, 20055, 25403, 33425, 54435, 76209, 90725, 100275, 127015, 272175, 381045, 635075, 1905225]

約数ペア:

[(1, 1905225), (3, 635075), (5, 381045), (7, 272175), (15, 127015), (19, 100275), (21, 90725), (25, 76209), (35, 54435), (57, 33425), (75, 25403), (95, 20055), (105, 18145), (133, 14325), (175, 10887), (191, 9975), (285, 6685), (399, 4775), (475, 4011), (525, 3629), (573, 3325), (665, 2865), (955, 1995), (1337, 1425)]