215844903

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{739}}^1$

素因数の和:868

約数の個数: 48

約数和(自身を含む): 349090560

約数和(自身を除く): 133245657

約数列:

[1, 3, 9, 17, 23, 51, 69, 83, 153, 207, 249, 391, 739, 747, 1173, 1411, 1909, 2217, 3519, 4233, 5727, 6651, 12563, 12699, 16997, 17181, 32453, 37689, 50991, 61337, 97359, 113067, 152973, 184011, 288949, 292077, 552033, 866847, 1042729, 1410751, 2600541, 3128187, 4232253, 9384561, 12696759, 23982767, 71948301, 215844903]

約数ペア:

[(1, 215844903), (3, 71948301), (9, 23982767), (17, 12696759), (23, 9384561), (51, 4232253), (69, 3128187), (83, 2600541), (153, 1410751), (207, 1042729), (249, 866847), (391, 552033), (739, 292077), (747, 288949), (1173, 184011), (1411, 152973), (1909, 113067), (2217, 97359), (3519, 61337), (4233, 50991), (5727, 37689), (6651, 32453), (12563, 17181), (12699, 16997)]