1900978035

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{157823}}^1$

素因数の和:157915

約数の個数: 32

約数和(自身を含む): 3363545088

約数和(自身を除く): 1462567053

約数列:

[1, 3, 5, 11, 15, 33, 55, 73, 165, 219, 365, 803, 1095, 2409, 4015, 12045, 157823, 473469, 789115, 1736053, 2367345, 5208159, 8680265, 11521079, 26040795, 34563237, 57605395, 126731869, 172816185, 380195607, 633659345, 1900978035]

約数ペア:

[(1, 1900978035), (3, 633659345), (5, 380195607), (11, 172816185), (15, 126731869), (33, 57605395), (55, 34563237), (73, 26040795), (165, 11521079), (219, 8680265), (365, 5208159), (803, 2367345), (1095, 1736053), (2409, 789115), (4015, 473469), (12045, 157823)]