28573155

素因数分解:

$3^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1$

素因数の和:109

約数の個数: 72

約数和(自身を含む): 56211792

約数和(自身を除く): 27638637

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 67, 81, 117, 135, 195, 201, 243, 335, 351, 405, 585, 603, 729, 871, 1005, 1053, 1215, 1755, 1809, 2187, 2613, 3015, 3159, 3645, 4355, 5265, 5427, 6561, 7839, 9045, 9477, 10935, 13065, 15795, 16281, 23517, 27135, 28431, 32805, 39195, 47385, 48843, 70551, 81405, 85293, 117585, 142155, 146529, 211653, 244215, 352755, 426465, 439587, 634959, 732645, 1058265, 1904877, 2197935, 3174795, 5714631, 9524385, 28573155]

約数ペア:

[(1, 28573155), (3, 9524385), (5, 5714631), (9, 3174795), (13, 2197935), (15, 1904877), (27, 1058265), (39, 732645), (45, 634959), (65, 439587), (67, 426465), (81, 352755), (117, 244215), (135, 211653), (195, 146529), (201, 142155), (243, 117585), (335, 85293), (351, 81405), (405, 70551), (585, 48843), (603, 47385), (729, 39195), (871, 32805), (1005, 28431), (1053, 27135), (1215, 23517), (1755, 16281), (1809, 15795), (2187, 13065), (2613, 10935), (3015, 9477), (3159, 9045), (3645, 7839), (4355, 6561), (5265, 5427)]