30854889

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 50878464

約数和(自身を除く): 20023575

約数列:

[1, 3, 9, 13, 31, 39, 47, 93, 117, 141, 181, 279, 403, 423, 543, 611, 1209, 1457, 1629, 1833, 2353, 3627, 4371, 5499, 5611, 7059, 8507, 13113, 16833, 18941, 21177, 25521, 50499, 56823, 72943, 76563, 110591, 170469, 218829, 263717, 331773, 656487, 791151, 995319, 2373453, 3428321, 10284963, 30854889]

約数ペア:

[(1, 30854889), (3, 10284963), (9, 3428321), (13, 2373453), (31, 995319), (39, 791151), (47, 656487), (93, 331773), (117, 263717), (141, 218829), (181, 170469), (279, 110591), (403, 76563), (423, 72943), (543, 56823), (611, 50499), (1209, 25521), (1457, 21177), (1629, 18941), (1833, 16833), (2353, 13113), (3627, 8507), (4371, 7059), (5499, 5611)]