15925371

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{971}}^1$

素因数の和:1063

約数の個数: 32

約数和(自身を含む): 26873856

約数和(自身を除く): 10948485

約数列:

[1, 3, 7, 11, 21, 33, 71, 77, 213, 231, 497, 781, 971, 1491, 2343, 2913, 5467, 6797, 10681, 16401, 20391, 32043, 68941, 74767, 206823, 224301, 482587, 758351, 1447761, 2275053, 5308457, 15925371]

約数ペア:

[(1, 15925371), (3, 5308457), (7, 2275053), (11, 1447761), (21, 758351), (33, 482587), (71, 224301), (77, 206823), (213, 74767), (231, 68941), (497, 32043), (781, 20391), (971, 16401), (1491, 10681), (2343, 6797), (2913, 5467)]