69315375

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 124540416

約数和(自身を除く): 55225041

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 83, 85, 125, 131, 249, 255, 375, 393, 415, 425, 655, 1245, 1275, 1411, 1965, 2075, 2125, 2227, 3275, 4233, 6225, 6375, 6681, 7055, 9825, 10375, 10873, 11135, 16375, 21165, 31125, 32619, 33405, 35275, 49125, 54365, 55675, 105825, 163095, 167025, 176375, 184841, 271825, 278375, 529125, 554523, 815475, 835125, 924205, 1359125, 2772615, 4077375, 4621025, 13863075, 23105125, 69315375]

約数ペア:

[(1, 69315375), (3, 23105125), (5, 13863075), (15, 4621025), (17, 4077375), (25, 2772615), (51, 1359125), (75, 924205), (83, 835125), (85, 815475), (125, 554523), (131, 529125), (249, 278375), (255, 271825), (375, 184841), (393, 176375), (415, 167025), (425, 163095), (655, 105825), (1245, 55675), (1275, 54365), (1411, 49125), (1965, 35275), (2075, 33405), (2125, 32619), (2227, 31125), (3275, 21165), (4233, 16375), (6225, 11135), (6375, 10873), (6681, 10375), (7055, 9825)]