9931815

素因数分解:

$3^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1$

素因数の和:333

約数の個数: 40

約数和(自身を含む): 18033840

約数和(自身を除く): 8102025

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 137, 179, 405, 411, 537, 685, 895, 1233, 1611, 2055, 2685, 3699, 4833, 6165, 8055, 11097, 14499, 18495, 24165, 24523, 55485, 72495, 73569, 122615, 220707, 367845, 662121, 1103535, 1986363, 3310605, 9931815]

約数ペア:

[(1, 9931815), (3, 3310605), (5, 1986363), (9, 1103535), (15, 662121), (27, 367845), (45, 220707), (81, 122615), (135, 73569), (137, 72495), (179, 55485), (405, 24523), (411, 24165), (537, 18495), (685, 14499), (895, 11097), (1233, 8055), (1611, 6165), (2055, 4833), (2685, 3699)]