51039975

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{509}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 97136640

約数和(自身を除く): 46096665

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 191, 509, 525, 573, 955, 1337, 1527, 2545, 2865, 3563, 4011, 4775, 6685, 7635, 10689, 12725, 14325, 17815, 20055, 33425, 38175, 53445, 89075, 97219, 100275, 267225, 291657, 486095, 680533, 1458285, 2041599, 2430475, 3402665, 7291425, 10207995, 17013325, 51039975]

約数ペア:

[(1, 51039975), (3, 17013325), (5, 10207995), (7, 7291425), (15, 3402665), (21, 2430475), (25, 2041599), (35, 1458285), (75, 680533), (105, 486095), (175, 291657), (191, 267225), (509, 100275), (525, 97219), (573, 89075), (955, 53445), (1337, 38175), (1527, 33425), (2545, 20055), (2865, 17815), (3563, 14325), (4011, 12725), (4775, 10689), (6685, 7635)]