4004775

素因数分解:

$3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{349}}^1$

素因数の和:385

約数の個数: 48

約数和(自身を含む): 7812000

約数和(自身を除く): 3807225

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 85, 135, 153, 225, 255, 349, 425, 459, 675, 765, 1047, 1275, 1745, 2295, 3141, 3825, 5235, 5933, 8725, 9423, 11475, 15705, 17799, 26175, 29665, 47115, 53397, 78525, 88995, 148325, 160191, 235575, 266985, 444975, 800955, 1334925, 4004775]

約数ペア:

[(1, 4004775), (3, 1334925), (5, 800955), (9, 444975), (15, 266985), (17, 235575), (25, 160191), (27, 148325), (45, 88995), (51, 78525), (75, 53397), (85, 47115), (135, 29665), (153, 26175), (225, 17799), (255, 15705), (349, 11475), (425, 9423), (459, 8725), (675, 5933), (765, 5235), (1047, 3825), (1275, 3141), (1745, 2295)]