1948245

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 3424512

約数和(自身を除く): 1476267

約数列:

[1, 3, 5, 13, 15, 39, 65, 97, 103, 195, 291, 309, 485, 515, 1261, 1339, 1455, 1545, 3783, 4017, 6305, 6695, 9991, 18915, 20085, 29973, 49955, 129883, 149865, 389649, 649415, 1948245]

約数ペア:

[(1, 1948245), (3, 649415), (5, 389649), (13, 149865), (15, 129883), (39, 49955), (65, 29973), (97, 20085), (103, 18915), (195, 9991), (291, 6695), (309, 6305), (485, 4017), (515, 3783), (1261, 1545), (1339, 1455)]