90021231

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{457}}^1\times {\mathrm{509}}^1$

素因数の和:1015

約数の個数: 24

約数和(自身を含む): 133607760

約数和(自身を除く): 43586529

約数列:

[1, 3, 9, 43, 129, 387, 457, 509, 1371, 1527, 4113, 4581, 19651, 21887, 58953, 65661, 176859, 196983, 232613, 697839, 2093517, 10002359, 30007077, 90021231]

約数ペア:

[(1, 90021231), (3, 30007077), (9, 10002359), (43, 2093517), (129, 697839), (387, 232613), (457, 196983), (509, 176859), (1371, 65661), (1527, 58953), (4113, 21887), (4581, 19651)]