28099095

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{257}}^1$

素因数の和:499

約数の個数: 32

約数和(自身を含む): 46588608

約数和(自身を除く): 18489513

約数列:

[1, 3, 5, 15, 37, 111, 185, 197, 257, 555, 591, 771, 985, 1285, 2955, 3855, 7289, 9509, 21867, 28527, 36445, 47545, 50629, 109335, 142635, 151887, 253145, 759435, 1873273, 5619819, 9366365, 28099095]

約数ペア:

[(1, 28099095), (3, 9366365), (5, 5619819), (15, 1873273), (37, 759435), (111, 253145), (185, 151887), (197, 142635), (257, 109335), (555, 50629), (591, 47545), (771, 36445), (985, 28527), (1285, 21867), (2955, 9509), (3855, 7289)]