66571995

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{2467}}^1$

素因数の和:2739

約数の個数: 32

約数和(自身を含む): 122254848

約数和(自身を除く): 55682853

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 257, 771, 1285, 1799, 2467, 3855, 5397, 7401, 8995, 12335, 17269, 26985, 37005, 51807, 86345, 259035, 634019, 1902057, 3170095, 4438133, 9510285, 13314399, 22190665, 66571995]

約数ペア:

[(1, 66571995), (3, 22190665), (5, 13314399), (7, 9510285), (15, 4438133), (21, 3170095), (35, 1902057), (105, 634019), (257, 259035), (771, 86345), (1285, 51807), (1799, 37005), (2467, 26985), (3855, 17269), (5397, 12335), (7401, 8995)]