9920155

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 14450688

約数和(自身を除く): 4530533

約数列:

[1, 5, 7, 31, 35, 41, 155, 205, 217, 223, 287, 1085, 1115, 1271, 1435, 1561, 6355, 6913, 7805, 8897, 9143, 34565, 44485, 45715, 48391, 64001, 241955, 283433, 320005, 1417165, 1984031, 9920155]

約数ペア:

[(1, 9920155), (5, 1984031), (7, 1417165), (31, 320005), (35, 283433), (41, 241955), (155, 64001), (205, 48391), (217, 45715), (223, 44485), (287, 34565), (1085, 9143), (1115, 8897), (1271, 7805), (1435, 6913), (1561, 6355)]