31952349

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:139

約数の個数: 72

約数和(自身を含む): 57029336

約数和(自身を除く): 25076987

約数列:

[1, 3, 9, 11, 13, 33, 37, 39, 61, 99, 111, 117, 121, 143, 183, 333, 363, 407, 429, 481, 549, 671, 793, 1089, 1221, 1287, 1443, 1573, 2013, 2257, 2379, 3663, 4329, 4477, 4719, 5291, 6039, 6771, 7137, 7381, 8723, 13431, 14157, 15873, 20313, 22143, 24827, 26169, 29341, 40293, 47619, 58201, 66429, 74481, 78507, 88023, 95953, 174603, 223443, 264069, 273097, 287859, 322751, 523809, 819291, 863577, 968253, 2457873, 2904759, 3550261, 10650783, 31952349]

約数ペア:

[(1, 31952349), (3, 10650783), (9, 3550261), (11, 2904759), (13, 2457873), (33, 968253), (37, 863577), (39, 819291), (61, 523809), (99, 322751), (111, 287859), (117, 273097), (121, 264069), (143, 223443), (183, 174603), (333, 95953), (363, 88023), (407, 78507), (429, 74481), (481, 66429), (549, 58201), (671, 47619), (793, 40293), (1089, 29341), (1221, 26169), (1287, 24827), (1443, 22143), (1573, 20313), (2013, 15873), (2257, 14157), (2379, 13431), (3663, 8723), (4329, 7381), (4477, 7137), (4719, 6771), (5291, 6039)]