8245125

素因数分解:

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

素因数の和:380

約数の個数: 64

約数和(自身を含む): 17472000

約数和(自身を除く): 9226875

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 105, 125, 135, 175, 189, 225, 315, 349, 375, 525, 675, 875, 945, 1047, 1125, 1575, 1745, 2443, 2625, 3141, 3375, 4725, 5235, 7329, 7875, 8725, 9423, 12215, 15705, 21987, 23625, 26175, 36645, 43625, 47115, 61075, 65961, 78525, 109935, 130875, 183225, 235575, 305375, 329805, 392625, 549675, 916125, 1177875, 1649025, 2748375, 8245125]

約数ペア:

[(1, 8245125), (3, 2748375), (5, 1649025), (7, 1177875), (9, 916125), (15, 549675), (21, 392625), (25, 329805), (27, 305375), (35, 235575), (45, 183225), (63, 130875), (75, 109935), (105, 78525), (125, 65961), (135, 61075), (175, 47115), (189, 43625), (225, 36645), (315, 26175), (349, 23625), (375, 21987), (525, 15705), (675, 12215), (875, 9423), (945, 8725), (1047, 7875), (1125, 7329), (1575, 5235), (1745, 4725), (2443, 3375), (2625, 3141)]