31953831

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{727}}^1$

素因数の和:780

約数の個数: 48

約数和(自身を含む): 55770624

約数和(自身を除く): 23816793

約数列:

[1, 3, 7, 13, 21, 23, 39, 49, 69, 91, 147, 161, 273, 299, 483, 637, 727, 897, 1127, 1911, 2093, 2181, 3381, 5089, 6279, 9451, 14651, 15267, 16721, 28353, 35623, 43953, 50163, 66157, 106869, 117047, 198471, 217373, 351141, 463099, 652119, 819329, 1389297, 1521611, 2457987, 4564833, 10651277, 31953831]

約数ペア:

[(1, 31953831), (3, 10651277), (7, 4564833), (13, 2457987), (21, 1521611), (23, 1389297), (39, 819329), (49, 652119), (69, 463099), (91, 351141), (147, 217373), (161, 198471), (273, 117047), (299, 106869), (483, 66157), (637, 50163), (727, 43953), (897, 35623), (1127, 28353), (1911, 16721), (2093, 15267), (2181, 14651), (3381, 9451), (5089, 6279)]