1993011327

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{281}}^1$

素因数の和:421

約数の個数: 72

約数和(自身を含む): 3184580880

約数和(自身を除く): 1191569553

約数列:

[1, 3, 9, 19, 37, 57, 59, 111, 171, 177, 281, 333, 361, 531, 703, 843, 1083, 1121, 2109, 2183, 2529, 3249, 3363, 5339, 6327, 6549, 10089, 10397, 13357, 16017, 16579, 19647, 21299, 31191, 40071, 41477, 48051, 49737, 63897, 93573, 101441, 120213, 124431, 149211, 191691, 197543, 304323, 315001, 373293, 592629, 613423, 788063, 912969, 945003, 1777887, 1840269, 2364189, 2835009, 3753317, 5520807, 5985019, 7092567, 11259951, 11655037, 17955057, 33779853, 34965111, 53865171, 104895333, 221445703, 664337109, 1993011327]

約数ペア:

[(1, 1993011327), (3, 664337109), (9, 221445703), (19, 104895333), (37, 53865171), (57, 34965111), (59, 33779853), (111, 17955057), (171, 11655037), (177, 11259951), (281, 7092567), (333, 5985019), (361, 5520807), (531, 3753317), (703, 2835009), (843, 2364189), (1083, 1840269), (1121, 1777887), (2109, 945003), (2183, 912969), (2529, 788063), (3249, 613423), (3363, 592629), (5339, 373293), (6327, 315001), (6549, 304323), (10089, 197543), (10397, 191691), (13357, 149211), (16017, 124431), (16579, 120213), (19647, 101441), (21299, 93573), (31191, 63897), (40071, 49737), (41477, 48051)]