15820341

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:205

約数の個数: 32

約数和(自身を含む): 23016960

約数和(自身を除く): 7196619

約数列:

[1, 3, 29, 47, 53, 73, 87, 141, 159, 219, 1363, 1537, 2117, 2491, 3431, 3869, 4089, 4611, 6351, 7473, 10293, 11607, 72239, 99499, 112201, 181843, 216717, 298497, 336603, 545529, 5273447, 15820341]

約数ペア:

[(1, 15820341), (3, 5273447), (29, 545529), (47, 336603), (53, 298497), (73, 216717), (87, 181843), (141, 112201), (159, 99499), (219, 72239), (1363, 11607), (1537, 10293), (2117, 7473), (2491, 6351), (3431, 4611), (3869, 4089)]