212173857

素因数分解:

$3^3\times 7^1\times {\mathrm{941}}^1\times {\mathrm{1193}}^1$

素因数の和:2150

約数の個数: 32

約数和(自身を含む): 359919360

約数和(自身を除く): 147745503

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 941, 1193, 2823, 3579, 6587, 8351, 8469, 10737, 19761, 25053, 25407, 32211, 59283, 75159, 177849, 225477, 1122613, 3367839, 7858291, 10103517, 23574873, 30310551, 70724619, 212173857]

約数ペア:

[(1, 212173857), (3, 70724619), (7, 30310551), (9, 23574873), (21, 10103517), (27, 7858291), (63, 3367839), (189, 1122613), (941, 225477), (1193, 177849), (2823, 75159), (3579, 59283), (6587, 32211), (8351, 25407), (8469, 25053), (10737, 19761)]