81398625

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2819}}^1$

素因数の和:2855

約数の個数: 64

約数和(自身を含む): 168929280

約数和(自身を除く): 87530655

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 55, 75, 77, 105, 125, 165, 175, 231, 275, 375, 385, 525, 825, 875, 1155, 1375, 1925, 2625, 2819, 4125, 5775, 8457, 9625, 14095, 19733, 28875, 31009, 42285, 59199, 70475, 93027, 98665, 155045, 211425, 217063, 295995, 352375, 465135, 493325, 651189, 775225, 1057125, 1085315, 1479975, 2325675, 2466625, 3255945, 3876125, 5426575, 7399875, 11628375, 16279725, 27132875, 81398625]

約数ペア:

[(1, 81398625), (3, 27132875), (5, 16279725), (7, 11628375), (11, 7399875), (15, 5426575), (21, 3876125), (25, 3255945), (33, 2466625), (35, 2325675), (55, 1479975), (75, 1085315), (77, 1057125), (105, 775225), (125, 651189), (165, 493325), (175, 465135), (231, 352375), (275, 295995), (375, 217063), (385, 211425), (525, 155045), (825, 98665), (875, 93027), (1155, 70475), (1375, 59199), (1925, 42285), (2625, 31009), (2819, 28875), (4125, 19733), (5775, 14095), (8457, 9625)]