1688898087

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{521}}^1$

素因数の和:709

約数の個数: 64

約数和(自身を含む): 2706048000

約数和(自身を除く): 1017149913

約数列:

[1, 3, 9, 19, 27, 57, 71, 89, 171, 213, 267, 513, 521, 639, 801, 1349, 1563, 1691, 1917, 2403, 4047, 4689, 5073, 6319, 9899, 12141, 14067, 15219, 18957, 29697, 36423, 36991, 45657, 46369, 56871, 89091, 110973, 120061, 139107, 170613, 267273, 332919, 360183, 417321, 702829, 881011, 998757, 1080549, 1251963, 2108487, 2643033, 3241647, 3292199, 6325461, 7929099, 9876597, 18976383, 23787297, 29629791, 62551781, 88889373, 187655343, 562966029, 1688898087]

約数ペア:

[(1, 1688898087), (3, 562966029), (9, 187655343), (19, 88889373), (27, 62551781), (57, 29629791), (71, 23787297), (89, 18976383), (171, 9876597), (213, 7929099), (267, 6325461), (513, 3292199), (521, 3241647), (639, 2643033), (801, 2108487), (1349, 1251963), (1563, 1080549), (1691, 998757), (1917, 881011), (2403, 702829), (4047, 417321), (4689, 360183), (5073, 332919), (6319, 267273), (9899, 170613), (12141, 139107), (14067, 120061), (15219, 110973), (18957, 89091), (29697, 56871), (36423, 46369), (36991, 45657)]