71031375

素因数分解:

$3^2\times 5^3\times {\mathrm{103}}^1\times {\mathrm{613}}^1$

素因数の和:737

約数の個数: 48

約数和(自身を含む): 129499968

約数和(自身を除く): 58468593

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 103, 125, 225, 309, 375, 515, 613, 927, 1125, 1545, 1839, 2575, 3065, 4635, 5517, 7725, 9195, 12875, 15325, 23175, 27585, 38625, 45975, 63139, 76625, 115875, 137925, 189417, 229875, 315695, 568251, 689625, 947085, 1578475, 2841255, 4735425, 7892375, 14206275, 23677125, 71031375]

約数ペア:

[(1, 71031375), (3, 23677125), (5, 14206275), (9, 7892375), (15, 4735425), (25, 2841255), (45, 1578475), (75, 947085), (103, 689625), (125, 568251), (225, 315695), (309, 229875), (375, 189417), (515, 137925), (613, 115875), (927, 76625), (1125, 63139), (1545, 45975), (1839, 38625), (2575, 27585), (3065, 23175), (4635, 15325), (5517, 12875), (7725, 9195)]