219023427

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{8641}}^1$

素因数の和:8739

約数の個数: 32

約数和(自身を含む): 358401024

約数和(自身を除く): 139377597

約数列:

[1, 3, 7, 17, 21, 51, 71, 119, 213, 357, 497, 1207, 1491, 3621, 8449, 8641, 25347, 25923, 60487, 146897, 181461, 440691, 613511, 1028279, 1840533, 3084837, 4294577, 10429687, 12883731, 31289061, 73007809, 219023427]

約数ペア:

[(1, 219023427), (3, 73007809), (7, 31289061), (17, 12883731), (21, 10429687), (51, 4294577), (71, 3084837), (119, 1840533), (213, 1028279), (357, 613511), (497, 440691), (1207, 181461), (1491, 146897), (3621, 60487), (8449, 25923), (8641, 25347)]