28284687

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1231}}^1$

素因数の和:1300

約数の個数: 32

約数和(自身を含む): 44943360

約数和(自身を除く): 16658673

約数列:

[1, 3, 9, 23, 27, 37, 69, 111, 207, 333, 621, 851, 999, 1231, 2553, 3693, 7659, 11079, 22977, 28313, 33237, 45547, 84939, 136641, 254817, 409923, 764451, 1047581, 1229769, 3142743, 9428229, 28284687]

約数ペア:

[(1, 28284687), (3, 9428229), (9, 3142743), (23, 1229769), (27, 1047581), (37, 764451), (69, 409923), (111, 254817), (207, 136641), (333, 84939), (621, 45547), (851, 33237), (999, 28313), (1231, 22977), (2553, 11079), (3693, 7659)]