261566283

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 413683200

約数和(自身を除く): 152116917

約数列:

[1, 3, 11, 29, 33, 37, 83, 87, 89, 111, 249, 267, 319, 407, 913, 957, 979, 1073, 1221, 2407, 2581, 2739, 2937, 3071, 3219, 3293, 7221, 7387, 7743, 9213, 9879, 11803, 22161, 26477, 28391, 33781, 35409, 36223, 79431, 81257, 85173, 89059, 95497, 101343, 108669, 214223, 243771, 267177, 273319, 286491, 642669, 819957, 979649, 1050467, 2356453, 2938947, 3006509, 3151401, 7069359, 7926251, 9019527, 23778753, 87188761, 261566283]

約数ペア:

[(1, 261566283), (3, 87188761), (11, 23778753), (29, 9019527), (33, 7926251), (37, 7069359), (83, 3151401), (87, 3006509), (89, 2938947), (111, 2356453), (249, 1050467), (267, 979649), (319, 819957), (407, 642669), (913, 286491), (957, 273319), (979, 267177), (1073, 243771), (1221, 214223), (2407, 108669), (2581, 101343), (2739, 95497), (2937, 89059), (3071, 85173), (3219, 81257), (3293, 79431), (7221, 36223), (7387, 35409), (7743, 33781), (9213, 28391), (9879, 26477), (11803, 22161)]