165260625

素因数分解:

$3^1\times 5^4\times {\mathrm{53}}^1\times {\mathrm{1663}}^1$

素因数の和:1739

約数の個数: 40

約数和(自身を含む): 280710144

約数和(自身を除く): 115449519

約数列:

[1, 3, 5, 15, 25, 53, 75, 125, 159, 265, 375, 625, 795, 1325, 1663, 1875, 3975, 4989, 6625, 8315, 19875, 24945, 33125, 41575, 88139, 99375, 124725, 207875, 264417, 440695, 623625, 1039375, 1322085, 2203475, 3118125, 6610425, 11017375, 33052125, 55086875, 165260625]

約数ペア:

[(1, 165260625), (3, 55086875), (5, 33052125), (15, 11017375), (25, 6610425), (53, 3118125), (75, 2203475), (125, 1322085), (159, 1039375), (265, 623625), (375, 440695), (625, 264417), (795, 207875), (1325, 124725), (1663, 99375), (1875, 88139), (3975, 41575), (4989, 33125), (6625, 24945), (8315, 19875)]