520055289

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2689}}^1$

素因数の和:2759

約数の個数: 64

約数和(自身を含む): 903840000

約数和(自身を除く): 383784711

約数列:

[1, 3, 9, 13, 19, 27, 29, 39, 57, 87, 117, 171, 247, 261, 351, 377, 513, 551, 741, 783, 1131, 1653, 2223, 2689, 3393, 4959, 6669, 7163, 8067, 10179, 14877, 21489, 24201, 34957, 51091, 64467, 72603, 77981, 104871, 153273, 193401, 233943, 314613, 459819, 664183, 701829, 943839, 1013753, 1379457, 1481639, 1992549, 2105487, 3041259, 4444917, 5977647, 9123777, 13334751, 17932941, 19261307, 27371331, 40004253, 57783921, 173351763, 520055289]

約数ペア:

[(1, 520055289), (3, 173351763), (9, 57783921), (13, 40004253), (19, 27371331), (27, 19261307), (29, 17932941), (39, 13334751), (57, 9123777), (87, 5977647), (117, 4444917), (171, 3041259), (247, 2105487), (261, 1992549), (351, 1481639), (377, 1379457), (513, 1013753), (551, 943839), (741, 701829), (783, 664183), (1131, 459819), (1653, 314613), (2223, 233943), (2689, 193401), (3393, 153273), (4959, 104871), (6669, 77981), (7163, 72603), (8067, 64467), (10179, 51091), (14877, 34957), (21489, 24201)]