15691315731

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{457}}^1\times {\mathrm{727}}^1$

素因数の和:1380

約数の個数: 64

約数和(自身を含む): 25991067648

約数和(自身を除く): 10299751917

約数列:

[1, 3, 7, 13, 21, 39, 91, 173, 273, 457, 519, 727, 1211, 1371, 2181, 2249, 3199, 3633, 5089, 5941, 6747, 9451, 9597, 15267, 15743, 17823, 28353, 41587, 47229, 66157, 79061, 124761, 125771, 198471, 237183, 332239, 377313, 553427, 880397, 996717, 1027793, 1635023, 1660281, 2325673, 2641191, 3083379, 4319107, 4905069, 6977019, 7194551, 11445161, 12957321, 21583653, 30233749, 34335483, 57477347, 90701247, 172432041, 402341429, 747205511, 1207024287, 2241616533, 5230438577, 15691315731]

約数ペア:

[(1, 15691315731), (3, 5230438577), (7, 2241616533), (13, 1207024287), (21, 747205511), (39, 402341429), (91, 172432041), (173, 90701247), (273, 57477347), (457, 34335483), (519, 30233749), (727, 21583653), (1211, 12957321), (1371, 11445161), (2181, 7194551), (2249, 6977019), (3199, 4905069), (3633, 4319107), (5089, 3083379), (5941, 2641191), (6747, 2325673), (9451, 1660281), (9597, 1635023), (15267, 1027793), (15743, 996717), (17823, 880397), (28353, 553427), (41587, 377313), (47229, 332239), (66157, 237183), (79061, 198471), (124761, 125771)]