16563393

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:315

約数の個数: 64

約数和(自身を含む): 31703040

約数和(自身を除く): 15139647

約数列:

[1, 3, 7, 9, 11, 21, 27, 31, 33, 63, 77, 93, 99, 189, 217, 231, 257, 279, 297, 341, 651, 693, 771, 837, 1023, 1799, 1953, 2079, 2313, 2387, 2827, 3069, 5397, 5859, 6939, 7161, 7967, 8481, 9207, 16191, 19789, 21483, 23901, 25443, 48573, 55769, 59367, 64449, 71703, 76329, 87637, 167307, 178101, 215109, 262911, 501921, 534303, 613459, 788733, 1505763, 1840377, 2366199, 5521131, 16563393]

約数ペア:

[(1, 16563393), (3, 5521131), (7, 2366199), (9, 1840377), (11, 1505763), (21, 788733), (27, 613459), (31, 534303), (33, 501921), (63, 262911), (77, 215109), (93, 178101), (99, 167307), (189, 87637), (217, 76329), (231, 71703), (257, 64449), (279, 59367), (297, 55769), (341, 48573), (651, 25443), (693, 23901), (771, 21483), (837, 19789), (1023, 16191), (1799, 9207), (1953, 8481), (2079, 7967), (2313, 7161), (2387, 6939), (2827, 5859), (3069, 5397)]