16687209

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:150

約数の個数: 64

約数和(自身を含む): 29859840

約数和(自身を除く): 13172631

約数列:

[1, 3, 7, 11, 21, 29, 33, 47, 53, 77, 87, 141, 159, 203, 231, 319, 329, 371, 517, 583, 609, 957, 987, 1113, 1363, 1537, 1551, 1749, 2233, 2491, 3619, 4081, 4089, 4611, 6699, 7473, 9541, 10759, 10857, 12243, 14993, 16907, 17437, 27401, 28623, 32277, 44979, 50721, 52311, 72239, 82203, 104951, 118349, 191807, 216717, 314853, 355047, 505673, 575421, 794629, 1517019, 2383887, 5562403, 16687209]

約数ペア:

[(1, 16687209), (3, 5562403), (7, 2383887), (11, 1517019), (21, 794629), (29, 575421), (33, 505673), (47, 355047), (53, 314853), (77, 216717), (87, 191807), (141, 118349), (159, 104951), (203, 82203), (231, 72239), (319, 52311), (329, 50721), (371, 44979), (517, 32277), (583, 28623), (609, 27401), (957, 17437), (987, 16907), (1113, 14993), (1363, 12243), (1537, 10857), (1551, 10759), (1749, 9541), (2233, 7473), (2491, 6699), (3619, 4611), (4081, 4089)]