28111635

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 51465024

約数和(自身を除く): 23353389

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 157, 173, 207, 345, 471, 519, 785, 865, 1035, 1413, 1557, 2355, 2595, 3611, 3979, 7065, 7785, 10833, 11937, 18055, 19895, 27161, 32499, 35811, 54165, 59685, 81483, 135805, 162495, 179055, 244449, 407415, 624703, 1222245, 1874109, 3123515, 5622327, 9370545, 28111635]

約数ペア:

[(1, 28111635), (3, 9370545), (5, 5622327), (9, 3123515), (15, 1874109), (23, 1222245), (45, 624703), (69, 407415), (115, 244449), (157, 179055), (173, 162495), (207, 135805), (345, 81483), (471, 59685), (519, 54165), (785, 35811), (865, 32499), (1035, 27161), (1413, 19895), (1557, 18055), (2355, 11937), (2595, 10833), (3611, 7785), (3979, 7065)]