219707961

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{1747}}^1$

素因数の和:1901

約数の個数: 32

約数和(自身を含む): 331588608

約数和(自身を除く): 111880647

約数列:

[1, 3, 11, 33, 37, 103, 111, 309, 407, 1133, 1221, 1747, 3399, 3811, 5241, 11433, 19217, 41921, 57651, 64639, 125763, 179941, 193917, 539823, 711029, 1979351, 2133087, 5938053, 6657817, 19973451, 73235987, 219707961]

約数ペア:

[(1, 219707961), (3, 73235987), (11, 19973451), (33, 6657817), (37, 5938053), (103, 2133087), (111, 1979351), (309, 711029), (407, 539823), (1133, 193917), (1221, 179941), (1747, 125763), (3399, 64639), (3811, 57651), (5241, 41921), (11433, 19217)]