47171787

素因数分解:

$3^1\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{421}}^1$

素因数の和:480

約数の個数: 32

約数和(自身を含む): 72313920

約数和(自身を除く): 25142133

約数列:

[1, 3, 13, 17, 39, 51, 169, 221, 421, 507, 663, 1263, 2197, 2873, 5473, 6591, 7157, 8619, 16419, 21471, 37349, 71149, 93041, 112047, 213447, 279123, 924937, 1209533, 2774811, 3628599, 15723929, 47171787]

約数ペア:

[(1, 47171787), (3, 15723929), (13, 3628599), (17, 2774811), (39, 1209533), (51, 924937), (169, 279123), (221, 213447), (421, 112047), (507, 93041), (663, 71149), (1263, 37349), (2197, 21471), (2873, 16419), (5473, 8619), (6591, 7157)]