201919387

素因数分解:

${\mathrm{17}}^3\times {\mathrm{73}}^1\times {\mathrm{563}}^1$

素因数の和:687

約数の個数: 16

約数和(自身を含む): 217861920

約数和(自身を除く): 15942533

約数列:

[1, 17, 73, 289, 563, 1241, 4913, 9571, 21097, 41099, 162707, 358649, 698683, 2766019, 11877611, 201919387]

約数ペア:

[(1, 201919387), (17, 11877611), (73, 2766019), (289, 698683), (563, 358649), (1241, 162707), (4913, 41099), (9571, 21097)]