31380786

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{331}}^1$

素因数の和:591

約数の個数: 48

約数和(自身を含む): 71472960

約数和(自身を除く): 40092174

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 229, 331, 414, 458, 662, 687, 993, 1374, 1986, 2061, 2979, 4122, 5267, 5958, 7613, 10534, 15226, 15801, 22839, 31602, 45678, 47403, 68517, 75799, 94806, 137034, 151598, 227397, 454794, 682191, 1364382, 1743377, 3486754, 5230131, 10460262, 15690393, 31380786]

約数ペア:

[(1, 31380786), (2, 15690393), (3, 10460262), (6, 5230131), (9, 3486754), (18, 1743377), (23, 1364382), (46, 682191), (69, 454794), (138, 227397), (207, 151598), (229, 137034), (331, 94806), (414, 75799), (458, 68517), (662, 47403), (687, 45678), (993, 31602), (1374, 22839), (1986, 15801), (2061, 15226), (2979, 10534), (4122, 7613), (5267, 5958)]