15171681

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 24127488

約数和(自身を除く): 8955807

約数列:

[1, 3, 7, 21, 41, 67, 123, 201, 263, 287, 469, 789, 861, 1407, 1841, 2747, 5523, 8241, 10783, 17621, 19229, 32349, 52863, 57687, 75481, 123347, 226443, 370041, 722461, 2167383, 5057227, 15171681]

約数ペア:

[(1, 15171681), (3, 5057227), (7, 2167383), (21, 722461), (41, 370041), (67, 226443), (123, 123347), (201, 75481), (263, 57687), (287, 52863), (469, 32349), (789, 19229), (861, 17621), (1407, 10783), (1841, 8241), (2747, 5523)]