261569887761

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23887}}^1\times {\mathrm{40111}}^1$

素因数の和:64021

約数の個数: 32

約数和(自身を含む): 429271564288

約数和(自身を除く): 167701676527

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 23887, 40111, 71661, 120333, 167209, 280777, 310531, 501627, 521443, 842331, 931593, 1564329, 2173717, 3650101, 6521151, 10950303, 958131457, 2874394371, 6706920199, 12455708941, 20120760597, 37367126823, 87189962587, 261569887761]

約数ペア:

[(1, 261569887761), (3, 87189962587), (7, 37367126823), (13, 20120760597), (21, 12455708941), (39, 6706920199), (91, 2874394371), (273, 958131457), (23887, 10950303), (40111, 6521151), (71661, 3650101), (120333, 2173717), (167209, 1564329), (280777, 931593), (310531, 842331), (501627, 521443)]