218212323

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{8609}}^1$

素因数の和:8707

約数の個数: 32

約数和(自身を含む): 357073920

約数和(自身を除く): 138861597

約数列:

[1, 3, 7, 17, 21, 51, 71, 119, 213, 357, 497, 1207, 1491, 3621, 8449, 8609, 25347, 25827, 60263, 146353, 180789, 439059, 611239, 1024471, 1833717, 3073413, 4278673, 10391063, 12836019, 31173189, 72737441, 218212323]

約数ペア:

[(1, 218212323), (3, 72737441), (7, 31173189), (17, 12836019), (21, 10391063), (51, 4278673), (71, 3073413), (119, 1833717), (213, 1024471), (357, 611239), (497, 439059), (1207, 180789), (1491, 146353), (3621, 60263), (8449, 25827), (8609, 25347)]