245319987

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{140263}}^1$

素因数の和:140330

約数の個数: 16

約数和(自身を含む): 363564288

約数和(自身を除く): 118244301

約数列:

[1, 3, 11, 33, 53, 159, 583, 1749, 140263, 420789, 1542893, 4628679, 7433939, 22301817, 81773329, 245319987]

約数ペア:

[(1, 245319987), (3, 81773329), (11, 22301817), (33, 7433939), (53, 4628679), (159, 1542893), (583, 420789), (1749, 140263)]