80202819

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{21001}}^1$

素因数の和:21090

約数の個数: 16

約数和(自身を含む): 114250880

約数和(自身を除く): 34048061

約数列:

[1, 3, 19, 57, 67, 201, 1273, 3819, 21001, 63003, 399019, 1197057, 1407067, 4221201, 26734273, 80202819]

約数ペア:

[(1, 80202819), (3, 26734273), (19, 4221201), (57, 1407067), (67, 1197057), (201, 399019), (1273, 63003), (3819, 21001)]