397157031

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{443}}^1$

素因数の和:604

約数の個数: 48

約数和(自身を含む): 618388992

約数和(自身を除く): 221231961

約数列:

[1, 3, 9, 23, 61, 69, 71, 183, 207, 213, 443, 549, 639, 1329, 1403, 1633, 3987, 4209, 4331, 4899, 10189, 12627, 12993, 14697, 27023, 30567, 31453, 38979, 81069, 91701, 94359, 99613, 243207, 283077, 298839, 621529, 723419, 896517, 1864587, 1918633, 2170257, 5593761, 5755899, 6510771, 17267697, 44128559, 132385677, 397157031]

約数ペア:

[(1, 397157031), (3, 132385677), (9, 44128559), (23, 17267697), (61, 6510771), (69, 5755899), (71, 5593761), (183, 2170257), (207, 1918633), (213, 1864587), (443, 896517), (549, 723419), (639, 621529), (1329, 298839), (1403, 283077), (1633, 243207), (3987, 99613), (4209, 94359), (4331, 91701), (4899, 81069), (10189, 38979), (12627, 31453), (12993, 30567), (14697, 27023)]