161637693

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{2099}}^1$

素因数の和:2321

約数の個数: 32

約数和(自身を含む): 260736000

約数和(自身を除く): 99098307

約数列:

[1, 3, 7, 19, 21, 57, 133, 193, 399, 579, 1351, 2099, 3667, 4053, 6297, 11001, 14693, 25669, 39881, 44079, 77007, 119643, 279167, 405107, 837501, 1215321, 2835749, 7697033, 8507247, 23091099, 53879231, 161637693]

約数ペア:

[(1, 161637693), (3, 53879231), (7, 23091099), (19, 8507247), (21, 7697033), (57, 2835749), (133, 1215321), (193, 837501), (399, 405107), (579, 279167), (1351, 119643), (2099, 77007), (3667, 44079), (4053, 39881), (6297, 25669), (11001, 14693)]