201621537

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{2731}}^1$

素因数の和:3381

約数の個数: 24

約数和(自身を含む): 314245568

約数和(自身を除く): 112624031

約数列:

[1, 3, 9, 13, 39, 117, 631, 1893, 2731, 5679, 8193, 8203, 24579, 24609, 35503, 73827, 106509, 319527, 1723261, 5169783, 15509349, 22402393, 67207179, 201621537]

約数ペア:

[(1, 201621537), (3, 67207179), (9, 22402393), (13, 15509349), (39, 5169783), (117, 1723261), (631, 319527), (1893, 106509), (2731, 73827), (5679, 35503), (8193, 24609), (8203, 24579)]