172327743

素因数分解:

$3^4\times 7^1\times {\mathrm{491}}^1\times {\mathrm{619}}^1$

素因数の和:1129

約数の個数: 40

約数和(自身を含む): 295278720

約数和(自身を除く): 122950977

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 491, 567, 619, 1473, 1857, 3437, 4333, 4419, 5571, 10311, 12999, 13257, 16713, 30933, 38997, 39771, 50139, 92799, 116991, 278397, 303929, 350973, 911787, 2127503, 2735361, 6382509, 8206083, 19147527, 24618249, 57442581, 172327743]

約数ペア:

[(1, 172327743), (3, 57442581), (7, 24618249), (9, 19147527), (21, 8206083), (27, 6382509), (63, 2735361), (81, 2127503), (189, 911787), (491, 350973), (567, 303929), (619, 278397), (1473, 116991), (1857, 92799), (3437, 50139), (4333, 39771), (4419, 38997), (5571, 30933), (10311, 16713), (12999, 13257)]