180340695

素因数分解:

$3^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{6781}}^1$

素因数の和:6992

約数の個数: 32

約数和(自身を含む): 322280640

約数和(自身を除く): 141939945

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 197, 591, 985, 1773, 2955, 5319, 6781, 8865, 20343, 26595, 33905, 61029, 101715, 183087, 305145, 915435, 1335857, 4007571, 6679285, 12022713, 20037855, 36068139, 60113565, 180340695]

約数ペア:

[(1, 180340695), (3, 60113565), (5, 36068139), (9, 20037855), (15, 12022713), (27, 6679285), (45, 4007571), (135, 1335857), (197, 915435), (591, 305145), (985, 183087), (1773, 101715), (2955, 61029), (5319, 33905), (6781, 26595), (8865, 20343)]