87211761

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{5237}}^1$

素因数の和:5321

約数の個数: 32

約数和(自身を含む): 145490688

約数和(自身を除く): 58278927

約数列:

[1, 3, 7, 13, 21, 39, 61, 91, 183, 273, 427, 793, 1281, 2379, 5237, 5551, 15711, 16653, 36659, 68081, 109977, 204243, 319457, 476567, 958371, 1429701, 2236199, 4152941, 6708597, 12458823, 29070587, 87211761]

約数ペア:

[(1, 87211761), (3, 29070587), (7, 12458823), (13, 6708597), (21, 4152941), (39, 2236199), (61, 1429701), (91, 958371), (183, 476567), (273, 319457), (427, 204243), (793, 109977), (1281, 68081), (2379, 36659), (5237, 16653), (5551, 15711)]