207780495

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{557}}^1\times {\mathrm{1913}}^1$

素因数の和:2491

約数の個数: 32

約数和(自身を含む): 358852032

約数和(自身を除く): 151071537

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 557, 1671, 1913, 2785, 5739, 7241, 8355, 9565, 21723, 24869, 28695, 36205, 74607, 108615, 124345, 373035, 1065541, 3196623, 5327705, 13852033, 15983115, 41556099, 69260165, 207780495]

約数ペア:

[(1, 207780495), (3, 69260165), (5, 41556099), (13, 15983115), (15, 13852033), (39, 5327705), (65, 3196623), (195, 1065541), (557, 373035), (1671, 124345), (1913, 108615), (2785, 74607), (5739, 36205), (7241, 28695), (8355, 24869), (9565, 21723)]