27688311

素因数分解:

$3^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1039}}^1$

素因数の和:1105

約数の個数: 40

約数和(自身を含む): 48322560

約数和(自身を除く): 20634249

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 81, 141, 189, 329, 423, 567, 987, 1039, 1269, 2961, 3117, 3807, 7273, 8883, 9351, 21819, 26649, 28053, 48833, 65457, 84159, 146499, 196371, 341831, 439497, 589113, 1025493, 1318491, 3076479, 3955473, 9229437, 27688311]

約数ペア:

[(1, 27688311), (3, 9229437), (7, 3955473), (9, 3076479), (21, 1318491), (27, 1025493), (47, 589113), (63, 439497), (81, 341831), (141, 196371), (189, 146499), (329, 84159), (423, 65457), (567, 48833), (987, 28053), (1039, 26649), (1269, 21819), (2961, 9351), (3117, 8883), (3807, 7273)]