2748375

素因数分解:

$3^2\times 5^3\times 7^1\times {\mathrm{349}}^1$

素因数の和:377

約数の個数: 48

約数和(自身を含む): 5678400

約数和(自身を除く): 2930025

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 125, 175, 225, 315, 349, 375, 525, 875, 1047, 1125, 1575, 1745, 2443, 2625, 3141, 5235, 7329, 7875, 8725, 12215, 15705, 21987, 26175, 36645, 43625, 61075, 78525, 109935, 130875, 183225, 305375, 392625, 549675, 916125, 2748375]

約数ペア:

[(1, 2748375), (3, 916125), (5, 549675), (7, 392625), (9, 305375), (15, 183225), (21, 130875), (25, 109935), (35, 78525), (45, 61075), (63, 43625), (75, 36645), (105, 26175), (125, 21987), (175, 15705), (225, 12215), (315, 8725), (349, 7875), (375, 7329), (525, 5235), (875, 3141), (1047, 2625), (1125, 2443), (1575, 1745)]