197507739

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{541}}^1$

素因数の和:628

約数の個数: 64

約数和(自身を含む): 332172288

約数和(自身を除く): 134664549

約数列:

[1, 3, 11, 13, 23, 33, 37, 39, 69, 111, 143, 253, 299, 407, 429, 481, 541, 759, 851, 897, 1221, 1443, 1623, 2553, 3289, 5291, 5951, 7033, 9361, 9867, 11063, 12443, 15873, 17853, 20017, 21099, 28083, 33189, 37329, 60051, 77363, 121693, 136873, 161759, 220187, 232089, 260221, 365079, 410619, 460391, 485277, 660561, 780663, 1381173, 1779349, 2862431, 5064301, 5338047, 5985083, 8587293, 15192903, 17955249, 65835913, 197507739]

約数ペア:

[(1, 197507739), (3, 65835913), (11, 17955249), (13, 15192903), (23, 8587293), (33, 5985083), (37, 5338047), (39, 5064301), (69, 2862431), (111, 1779349), (143, 1381173), (253, 780663), (299, 660561), (407, 485277), (429, 460391), (481, 410619), (541, 365079), (759, 260221), (851, 232089), (897, 220187), (1221, 161759), (1443, 136873), (1623, 121693), (2553, 77363), (3289, 60051), (5291, 37329), (5951, 33189), (7033, 28083), (9361, 21099), (9867, 20017), (11063, 17853), (12443, 15873)]