1553921055

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{25447}}^1$

素因数の和:25540

約数の個数: 48

約数和(自身を含む): 2858319360

約数和(自身を除く): 1304398305

約数列:

[1, 3, 5, 9, 15, 23, 45, 59, 69, 115, 177, 207, 295, 345, 531, 885, 1035, 1357, 2655, 4071, 6785, 12213, 20355, 25447, 61065, 76341, 127235, 229023, 381705, 585281, 1145115, 1501373, 1755843, 2926405, 4504119, 5267529, 7506865, 8779215, 13512357, 22520595, 26337645, 34531579, 67561785, 103594737, 172657895, 310784211, 517973685, 1553921055]

約数ペア:

[(1, 1553921055), (3, 517973685), (5, 310784211), (9, 172657895), (15, 103594737), (23, 67561785), (45, 34531579), (59, 26337645), (69, 22520595), (115, 13512357), (177, 8779215), (207, 7506865), (295, 5267529), (345, 4504119), (531, 2926405), (885, 1755843), (1035, 1501373), (1357, 1145115), (2655, 585281), (4071, 381705), (6785, 229023), (12213, 127235), (20355, 76341), (25447, 61065)]