81839175

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1$

素因数の和:293

約数の個数: 96

約数和(自身を含む): 162846720

約数和(自身を除く): 81007545

約数列:

[1, 3, 5, 11, 15, 19, 23, 25, 33, 55, 57, 69, 75, 95, 115, 165, 209, 227, 253, 275, 285, 345, 437, 475, 575, 627, 681, 759, 825, 1045, 1135, 1265, 1311, 1425, 1725, 2185, 2497, 3135, 3405, 3795, 4313, 4807, 5221, 5225, 5675, 6325, 6555, 7491, 10925, 12485, 12939, 14421, 15663, 15675, 17025, 18975, 21565, 24035, 26105, 32775, 37455, 47443, 57431, 62425, 64695, 72105, 78315, 99199, 107825, 120175, 130525, 142329, 172293, 187275, 237215, 287155, 297597, 323475, 360525, 391575, 495995, 711645, 861465, 1091189, 1186075, 1435775, 1487985, 2479975, 3273567, 3558225, 4307325, 5455945, 7439925, 16367835, 27279725, 81839175]

約数ペア:

[(1, 81839175), (3, 27279725), (5, 16367835), (11, 7439925), (15, 5455945), (19, 4307325), (23, 3558225), (25, 3273567), (33, 2479975), (55, 1487985), (57, 1435775), (69, 1186075), (75, 1091189), (95, 861465), (115, 711645), (165, 495995), (209, 391575), (227, 360525), (253, 323475), (275, 297597), (285, 287155), (345, 237215), (437, 187275), (475, 172293), (575, 142329), (627, 130525), (681, 120175), (759, 107825), (825, 99199), (1045, 78315), (1135, 72105), (1265, 64695), (1311, 62425), (1425, 57431), (1725, 47443), (2185, 37455), (2497, 32775), (3135, 26105), (3405, 24035), (3795, 21565), (4313, 18975), (4807, 17025), (5221, 15675), (5225, 15663), (5675, 14421), (6325, 12939), (6555, 12485), (7491, 10925)]