2012190117

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{117281}}^1$

素因数の和:117353

約数の個数: 32

約数和(自身を含む): 3302661120

約数和(自身を除く): 1290471003

約数列:

[1, 3, 7, 19, 21, 43, 57, 129, 133, 301, 399, 817, 903, 2451, 5719, 17157, 117281, 351843, 820967, 2228339, 2462901, 5043083, 6685017, 15129249, 15598373, 35301581, 46795119, 95818577, 105904743, 287455731, 670730039, 2012190117]

約数ペア:

[(1, 2012190117), (3, 670730039), (7, 287455731), (19, 105904743), (21, 95818577), (43, 46795119), (57, 35301581), (129, 15598373), (133, 15129249), (301, 6685017), (399, 5043083), (817, 2462901), (903, 2228339), (2451, 820967), (5719, 351843), (17157, 117281)]