1871253

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:409

約数の個数: 24

約数和(自身を含む): 2945280

約数和(自身を除く): 1074027

約数列:

[1, 3, 9, 19, 31, 57, 93, 171, 279, 353, 589, 1059, 1767, 3177, 5301, 6707, 10943, 20121, 32829, 60363, 98487, 207917, 623751, 1871253]

約数ペア:

[(1, 1871253), (3, 623751), (9, 207917), (19, 98487), (31, 60363), (57, 32829), (93, 20121), (171, 10943), (279, 6707), (353, 5301), (589, 3177), (1059, 1767)]