26981349

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 39398400

約数和(自身を除く): 12417051

約数列:

[1, 3, 19, 57, 59, 71, 113, 177, 213, 339, 1121, 1349, 2147, 3363, 4047, 4189, 6441, 6667, 8023, 12567, 20001, 24069, 79591, 126673, 152437, 238773, 380019, 457311, 473357, 1420071, 8993783, 26981349]

約数ペア:

[(1, 26981349), (3, 8993783), (19, 1420071), (57, 473357), (59, 457311), (71, 380019), (113, 238773), (177, 152437), (213, 126673), (339, 79591), (1121, 24069), (1349, 20001), (2147, 12567), (3363, 8023), (4047, 6667), (4189, 6441)]