13143975

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1$

素因数の和:117

約数の個数: 72

約数和(自身を含む): 25324272

約数和(自身を除く): 12180297

約数列:

[1, 3, 5, 13, 15, 17, 25, 39, 51, 61, 65, 75, 85, 169, 183, 195, 221, 255, 305, 325, 425, 507, 663, 793, 845, 915, 975, 1037, 1105, 1275, 1525, 2379, 2535, 2873, 3111, 3315, 3965, 4225, 4575, 5185, 5525, 8619, 10309, 11895, 12675, 13481, 14365, 15555, 16575, 19825, 25925, 30927, 40443, 43095, 51545, 59475, 67405, 71825, 77775, 154635, 175253, 202215, 215475, 257725, 337025, 525759, 773175, 876265, 1011075, 2628795, 4381325, 13143975]

約数ペア:

[(1, 13143975), (3, 4381325), (5, 2628795), (13, 1011075), (15, 876265), (17, 773175), (25, 525759), (39, 337025), (51, 257725), (61, 215475), (65, 202215), (75, 175253), (85, 154635), (169, 77775), (183, 71825), (195, 67405), (221, 59475), (255, 51545), (305, 43095), (325, 40443), (425, 30927), (507, 25925), (663, 19825), (793, 16575), (845, 15555), (915, 14365), (975, 13481), (1037, 12675), (1105, 11895), (1275, 10309), (1525, 8619), (2379, 5525), (2535, 5185), (2873, 4575), (3111, 4225), (3315, 3965)]