16991535

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:168

約数の個数: 64

約数和(自身を含む): 31726080

約数和(自身を除く): 14734545

約数列:

[1, 3, 5, 11, 15, 29, 33, 53, 55, 67, 87, 145, 159, 165, 201, 265, 319, 335, 435, 583, 737, 795, 957, 1005, 1537, 1595, 1749, 1943, 2211, 2915, 3551, 3685, 4611, 4785, 5829, 7685, 8745, 9715, 10653, 11055, 16907, 17755, 21373, 23055, 29145, 39061, 50721, 53265, 64119, 84535, 102979, 106865, 117183, 195305, 253605, 308937, 320595, 514895, 585915, 1132769, 1544685, 3398307, 5663845, 16991535]

約数ペア:

[(1, 16991535), (3, 5663845), (5, 3398307), (11, 1544685), (15, 1132769), (29, 585915), (33, 514895), (53, 320595), (55, 308937), (67, 253605), (87, 195305), (145, 117183), (159, 106865), (165, 102979), (201, 84535), (265, 64119), (319, 53265), (335, 50721), (435, 39061), (583, 29145), (737, 23055), (795, 21373), (957, 17755), (1005, 16907), (1537, 11055), (1595, 10653), (1749, 9715), (1943, 8745), (2211, 7685), (2915, 5829), (3551, 4785), (3685, 4611)]