28404615

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 46656000

約数和(自身を除く): 18251385

約数列:

[1, 3, 5, 15, 71, 149, 179, 213, 355, 447, 537, 745, 895, 1065, 2235, 2685, 10579, 12709, 26671, 31737, 38127, 52895, 63545, 80013, 133355, 158685, 190635, 400065, 1893641, 5680923, 9468205, 28404615]

約数ペア:

[(1, 28404615), (3, 9468205), (5, 5680923), (15, 1893641), (71, 400065), (149, 190635), (179, 158685), (213, 133355), (355, 80013), (447, 63545), (537, 52895), (745, 38127), (895, 31737), (1065, 26671), (2235, 12709), (2685, 10579)]