1320975

素因数分解:

$3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:141

約数の個数: 48

約数和(自身を含む): 2579200

約数和(自身を除く): 1258225

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 95, 103, 135, 171, 225, 285, 309, 475, 513, 515, 675, 855, 927, 1425, 1545, 1957, 2565, 2575, 2781, 4275, 4635, 5871, 7725, 9785, 12825, 13905, 17613, 23175, 29355, 48925, 52839, 69525, 88065, 146775, 264195, 440325, 1320975]

約数ペア:

[(1, 1320975), (3, 440325), (5, 264195), (9, 146775), (15, 88065), (19, 69525), (25, 52839), (27, 48925), (45, 29355), (57, 23175), (75, 17613), (95, 13905), (103, 12825), (135, 9785), (171, 7725), (225, 5871), (285, 4635), (309, 4275), (475, 2781), (513, 2575), (515, 2565), (675, 1957), (855, 1545), (927, 1425)]