1339975

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:80

約数の個数: 48

約数和(自身を含む): 2222080

約数和(自身を除く): 882105

約数列:

[1, 5, 7, 13, 19, 25, 31, 35, 65, 91, 95, 133, 155, 175, 217, 247, 325, 403, 455, 475, 589, 665, 775, 1085, 1235, 1729, 2015, 2275, 2821, 2945, 3325, 4123, 5425, 6175, 7657, 8645, 10075, 14105, 14725, 20615, 38285, 43225, 53599, 70525, 103075, 191425, 267995, 1339975]

約数ペア:

[(1, 1339975), (5, 267995), (7, 191425), (13, 103075), (19, 70525), (25, 53599), (31, 43225), (35, 38285), (65, 20615), (91, 14725), (95, 14105), (133, 10075), (155, 8645), (175, 7657), (217, 6175), (247, 5425), (325, 4123), (403, 3325), (455, 2945), (475, 2821), (589, 2275), (665, 2015), (775, 1729), (1085, 1235)]